Which of the following mutations results in the repeating of a section of DNA?
O Inversion
O Deletion
O Duplication
O Translocation

Answers

Answer 1

The mutation that results in the repeating of a section of DNA is a Duplication.

What is mutation?

A mutation is a change in the DNA sequence of a cell's genetic material. Mutations can be caused by errors during DNA replication, exposure to environmental factors such as radiation or chemicals, or by mutations in specific genes that regulate DNA replication or repair.

Mutations can range in size from a single base pair to a large segment of a chromosome, and can have a variety of effects on an organism, ranging from having no effect to causing a genetic disorder. Some mutations can also be beneficial, providing an organism with new traits or abilities that can increase its chances of survival in a changing environment.

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Related Questions

improved resolution is helpful to astronomers because it enables them to view:
a. Very distant objects
b. Small features of an object
c. The motion of objects through space
d. Many objects close together

Answers

Improved resolution is helpful to astronomers because it enables them to view: b. Small features of an object.

Why is increased resolution useful to astronomers?

Another crucial component of a telescope is its resolution. This is the instrument's capacity to discern clearly between two spots that are separated by less of an angle than the smallest angle that the observer's eye can resolve.

How do astronomers increase the radio telescopes' resolution?

Radio astronomers employ a method known as interferometry, or the simultaneous use of many radio telescopes, to get around this problem. Through the creation of a single telescope that is as big as the distance between the two furthest telescopes, this results in angular resolutions of 0.001" or better.

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the apical plasma membranes of simple squamous epithelial cells are often folded into microvilli, which increases their surface area for absorption. (True or False)

Answers

True, the apical plasma membranes of simple squamous epithelial cells are often folded into microvilli, which increases their surface area for absorption.

How can microvilli expand the surface area available for absorption?

The gut wall's surface area is increased by microvilli, which have historically been thought of as passive scaffolds. Each actin bundle that protrudes from the apical plasma membrane is tightly wrapped, creating greater room for nutritional processing and absorption.

Which epithelial tissue might have microvilli to increase the surface area for absorption?

Vertical sections reveal column-like structures in columnar epithelial cells. The nucleus is typically found close to the base. They are located in the small intestine's inside lining. The apical surface has microvilli, which expand the area available for absorption.

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The name ________, which is most common in Appalachia, stems from groundhogs' habit of making a high-pitched whistling sound, usually as a warning to other groundhogs when they feel threatened.

Answers

The term "whistle-pig," which is most prevalent in Appalachia, comes from groundhogs' propensity of whistling loudly when threatened, mainly to warn other groundhogs.

What other name is given to a groundhog?

Woodchucks and "whistle-pigs" are other names for groundhogs. The common term "woodchuck" is derived from Native American names for them, including "wuchak," "wejack," and probably "otchek," which is a word for fishers. However, the name has nothing to do with wood.

The origin of the name "whistle pig" for groundhogs?

Whistle-pigs get their name from the fact that when startled, groundhogs would whistle loudly to warn the remainder of their colony. Wood has nothing to do with the name Woodchuck. Or throwing. It is derived from the Algonquian word wuchak for the creatures.

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The intrinsic conduction system structure that initiates atrial depolarizationA. P waveB. SA NodeC. Qrs ComplexD.AV Node

Answers

The SA Node is the intrinsic conduction network structure that starts atrial depolarization.

Depolarization impulses are started by the heart's intrinsic conduction system. Heart contractions are synchronised as a result of action potentials propagating throughout the organ. The electrical impulses of the heart is captured by an ECG wave trace. Under typical circumstances, the sinus node produces an electrical stimulus 60 or 100 times per minute. Then the atria are turned on. The electrical shock causes your heart's ventricles to heart is contracting blood as it moves through the conduction pathways. The sino - atrial (SA) node, a small clump of specialised tissue situated in the atria, is where the heart's chance to dominate begins. An impulse from of the SA node causes the heart muscle to become depolarized and contract.

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What is protein synthesis and what is its function?

Answers

Protein synthesis is the process by which cells produce new proteins. This process is essential for the growth, maintenance, and repair of cells and tissues in the body. Protein synthesis is controlled by genes, which contain the instructions for making proteins. The process of protein synthesis involves two main steps: transcription and translation.

Transcription is the first step in protein synthesis. During transcription, the genetic information in DNA is copied into a molecule of messenger RNA (mRNA). This process occurs in the nucleus of the cell.

Translation is the second step in protein synthesis. During translation, the mRNA molecule is read by a ribosome, which uses the information to assemble a chain of amino acids. The sequence of amino acids determines the structure and function of the protein. This process occurs in the cytoplasm of the cell.

The function of protein synthesis is to produce new proteins that are needed by the body. Proteins are essential for a wide range of functions, including structural support, enzyme catalysis, and immune defense. Without protein synthesis, cells would not be able to grow, repair themselves, or carry out their normal functions.

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What is the kinetic molecular theory of gases?

Answers

The kinetic molecular theory is employed to explain how gasses behave. More precisely, it is employed to translate a gas's tiny constituents, such as atoms, into its macroscopic characteristics, such as pressure and temperature.

The microscopic nature of the atoms and molecules that make up a gas is explained in terms of its three macroscopic quantities by the kinetic theory of gasses. Usually, the size, shape, mass, volume, and other characteristics of solids and liquids may be used to define their physical qualities. Gasses, on the other hand, lack defined shape and size while mass and volume are not easily quantifiable. This situation makes use of and may be applied to the kinetic theory of gasses. The physical characteristics of every gas may be broadly characterized in terms of three quantifiable macroscopic features with the use of the kinetic theory of gasses.

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Enzyme responsible for DNA chain elongation is
A REN
B DNA ligase
C RNA polymerase
D DNA polymerase

Answers

The enzyme responsible for DNA chain elongation is D.DNA polymerase.

DNA polymerase is an enzyme that synthesizes new DNA strands by adding nucleotides to the 3' end of a pre-existing strand. During DNA replication, the double-stranded DNA molecule is unwound by helicase, and the leading strand is synthesized continuously by DNA polymerase in the 5' to 3' direction. The lagging strand is synthesized discontinuously in the opposite direction, with small fragments called Okazaki fragments that are later joined together by DNA ligase.

DNA polymerase also has proofreading ability, which allows it to detect and correct errors that may occur during DNA replication. This process helps to maintain the accuracy of the genetic information that is passed down from one generation to the next.

Therefore, Option D DNA polymerase is the correct option. It is a Enzyme that responsible for DNA chain elongation.

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Crossing-over sometimes occurs between nonsister _______ of a tetrad meiosis.

Answers

It occurs during meiosis. Non-sister chromatids of homologous chromosomes swap chromosomal areas during the development of gametes. Crossing over is the action of doing this.

Do all four chromatids overlap?

But generally speaking, we can say that all four chromosomes condense are probably equally likely to be engaged in crossing over. The unexpected finding that independent segregation, as predicted by Mendel's first law, does not always occur is perhaps the most potent use of tetrad analysis.

What else does tetrad go by?

Prophase: Homologous chromosomes link up to generate tetrads at this stage. Tetrad creation is also referred to as synapsis. Tetrads play a crucial role in the process of crossing over, which occurs when homologous chromosomes exchange DNA sequences.

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differences in these bacterial structures can influence which antibiotics bacteria are susceptible to.

Answers

The differences in bacterial structures involves  evolutionary differences and differences in cell wall structure.

In contrast, the thick, porous peptidoglycan layer withinside the cell wall of Gram-tremendous micro organism offers extra get admission to to antibiotics, letting them greater without problems penetrate the cell and/or engage with the peptidoglycan itself. It is vital due to the fact via way of means of understanding what proteins and enzymes the bacterial cell include you recognize what desires to be made with a purpose to forestall the manufacturing of those enzymes and proteins. Different microbial systems and kinds of microbial cells have unique degree of resistance to antimicrobial dealers used to dispose of them. Endospores are taken into consideration the maximum resistant shape of microbes.

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Complete question:

Why do bacteria differ in their susceptibility to different antibiotics?

The ribosome ______ subunit has ______ binding sites for tRNA molecules. a. large; two b. small; two c. large; three d. small; three e. large; four

Answers

Option A. Large; three. Ribosomes are composed of two subunits, the large subunit and the small subunit.

The large subunit is responsible for the formation of peptide bonds between amino acids during protein synthesis, while the small subunit is involved in the recognition and binding of mRNA. The large subunit of the ribosome has three binding sites for tRNA molecules, which are the A site (aminoacyl site), P site (peptidyl site), and E site (exit site). The A site is where the incoming tRNA binds with its attached amino acid, the P site is where the growing peptide chain is held, and the E site is where the empty tRNA exits the ribosome. The small subunit of the ribosome also contains a single binding site for mRNA, which is where the mRNA binds and is translated into a protein.

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molecular dynamics simulations show that the structure of proteins

Answers

The relationship between structure and dynamics is bridged, as demonstrated by molecular dynamics simulations, by the protein's structure, which makes it possible to study the conformational energy landscape that protein molecules can choose from.

How do proteins work? What are they used for?

The body depends heavily on proteins, which are big, complicated molecules. They carry out the majority of the work inside cells and are necessary for the regulation, construction, and operation of all the tissues and organs in the body.

How does a shortage of protein affect you?

A severe protein deficiency can hinder children's growth, result in fatty liver, swollen skin, and skin aging. It can also make infections more severe. True deficiency is uncommon in affluent nations, although a low intake can lead to muscular atrophy and an elevated risk of fractures.

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thickened regions of circular muscle that function like valves to control the flow of contents at various points in the GI tract is?

Answers

thickened regions of circular muscle that function like valves to control the flow of contents at various points in the GI tract is sphincters

Sphincters are circular muscles that open and close passages in the body. Those in the gastrointestinal (GI) tract help regulate the flow of food from the esophagus to the anus as well as the flow of bile and digestive enzymes into the intestine.

A malfunction of the GI sphincters can lead to problems such as acid reflux, gastroesophageal reflux disease (GERD), and fecal incontinence.

There are sphincters in other parts of the body as well. They include the urethral sphincter which controls the flow of urine, the iris sphincters which narrow the pupils, and the precapillary sphincters which help regulate the flow of blood through smaller vessels.

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Which of the following serves as a role of the nervous system?



To sense your surrounding with your eyes and other sense organs.


To control your internal body systems and keep them in balance.


To use language, think, learn, and remember.


all of the above

Answers

Answer:

A and B i believe.

im not an expert on biology but im pretty sure its A and B

Which component of the lymphatic systems consists of unencapsulated aggregates of lymphocytes within organs of the body?A)LymphB)Lymphatic tissuesC)Lymphatic organsD)Lymphatic vessels

Answers

The component of the lymphatic system that consists of unencapsulated aggregates of lymphocytes within organs of the body is called lymphatic tissues. Option B is correct.

Lymphatic tissues are specialized collections of immune cells that are found in various organs throughout the body. These tissues contain a high concentration of lymphocytes, which are a type of white blood cell that plays a key role in the immune response. Lymphatic tissues can be classified as either unencapsulated or encapsulated.

Unencapsulated lymphatic tissues are diffuse collections of lymphocytes and other immune cells that are not surrounded by a distinct capsule or membrane. Examples of unencapsulated lymphatic tissues include the tonsils, Peyer's patches in the small intestine, and the appendix.

Lymph, on the other hand, is the fluid that circulates throughout the lymphatic system. Lymphatic vessels are the thin-walled vessels that transport lymph throughout the body. Lymphatic organs are specialized structures that are surrounded by a distinct capsule and contain a high concentration of lymphatic tissue, such as the lymph nodes, spleen, and thymus gland.

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Why did the pigs say they had to move into the house? They needed a quiet place to work. Who did Napoleon blame for the windmill disaster?

Answers

They needed a quiet place to work. Napoleon blamed Snowball because he thought that Snowball was jealous of him and could be taken advantage of.

Who is pig?

"Pig" is a general term for a domesticated mammal of the genus Sus, typically having a stout body with short legs, a snout for a nose, and a curly tail. Pigs are often raised for their meat, which is a common food source in many parts of the world. In addition, the term "pig" is sometimes used in a figurative sense to describe a person who is greedy, lazy, or unpleasant in some other way. In literature, for example, there are several famous examples of anthropomorphized pigs, such as the character Napoleon in George Orwell's novel "Animal Farm".

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The first unambiguous human trait to evolve as recorded in the fossil record isa large brainoverlapping fields of visiona chinfingernailsobligate upright walking

Answers

The first unambiguous human trait to evolve as recorded in the fossil record is bipedal walking ( it is the ability to walk on legs ) it was evolved around 4 million years ago. Hence the correct option is D.

Due to the moon's and sun's gravitational pull on the Earth, tides are the regular rise and fall of the ocean. The tide level is crucial as storms approach a coastline since a high tide will probably increase the likelihood of coastal flooding.

Today, most of the world's coastlines can be accurately predicted based on tidal measurements from tide gauges across the globe. A typical tide sequence for Newport, Rhode Island, is depicted in the diagram below. The values, both anticipated and measured, are displayed. There are typically three different types of tides: diurnal, which has one high tide and one low tide each day; semi-diurnal, which has two high tides and one low tide each day; and mixed, which has two high tides and two low tides each day with varying heights.

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Full Question: The first unambiguous human trait to evolve as recorded in the fossil record is

a large brainoverlapping fields of visiona chinfingernailsobligate upright walking

in the context of tree-building, what do we mean when we say parsimonious?

Answers

The method we used to construct the tree above is known as parsimony. Choosing the simplest hypothesis that can explain our observations is what parsimony essentially means.

What does parsimony mean while creating trees?

Parsimony, a trustworthy approach of tree construction and evaluation, includes assembling taxa in a way that reduces the number of character-level evolutionary changes that would have been necessary.

What is the purpose of parsimony?

The concept of parsimony holds that the most straightforward explanation is most likely to be accurate given a list of plausible answers. In the sciences, the principle of parsimony is used to choose among conflicting models that describe a phenomenon. It is most frequently applied to the study of phylogeny in biology.

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Which is one effect that would most likely result from a tsunami?

death
drought
extinction
genetic change

Answers

Answer: Death would be your answer.

Explanation: Hope this helps!

Answer:death

Explanation:

Which of the following would be an example of a biomarker?a. a microfossil found in a meteoriteb. a hydrocarbon found in an ancient rock layerc. an area that is high in carbon-12 concentration in rock layerd. a newly discovered formation of stromatolites

Answers

The correct answer would be (c) an area high in carbon-12 concentration in the rock layer. The concentration of carbon-12 in a rock layer can be a biomarker because it is a characteristic of organic matter that can indicate the presence of life or biological activity in the past.

What is a Biomarker?

A biomarker is a measurable indicator of a biological process, which can be a molecule, substance, or characteristic in an organism or its environment. Microfossils, hydrocarbons, and stromatolites are related to physical activity and can serve as biomarkers in specific contexts.

What is the significance of carbon-12?

Carbon-12 is significant because it is a stable isotope of carbon that is the basis of organic chemistry and life on Earth. Carbon-12 is the most abundant isotope of carbon and is used as a standard for measuring the atomic mass of other elements.

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the sticky material between cells of areolar connective tissue is called the

Answers

The gel matrix refers to the gooey substance that holds the cells of the areolar connective tissue together.

What does a body's tissue refer to?

Fibrocartilage, epithelial tissue, muscular tissue, and nerve tissue are the four fundamental forms of tissue. Other tissues are held together and supported by connective tissue. Skin and the linings of the body's different passageways are examples of epithelial tissue that provides a covering.

What is a tissue, exactly?

A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the void between the cells. There might be a lot of this in some cells and not much in others.

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which structure of the urinary system is responsible for filtering out blood of toxins?

Answers

Nephrons which are present in the kidneys are basically responsible for the filtering out of the blood toxins.  

Nephrons are basically microscopic tube-like structures which are present in the kidneys which perform the function of filtering out the blood and also cause the waste to be removed from the blood. They can be called as the functional units of the kidney.

Nephrons are tiny filtering units which form the main functional units of the kidneys. These are basically responsible for removing the harmful toxins as well as excess fluids which is present in the blood, keeping it clean as well as maintaining its correct volume and concentration.

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True/False ?banting’s method of isolating insulin involved a surgical procedure to tie off ducts in the pancreas, waiting several weeks, then removing the pancreas.

Answers

The assertion is accurate. To prevent other substances in the pancreas from destroying insulin while leaving the islets unharmed, they used a technique that entailed cutting off the pancreatic duct.

The remaining extract would then be administered to additional dogs whose pancreases had been removed, so they didn't make any insulin, in order to study how it affected their blood sugar levels.

At a meeting of the Association of American Physicians in Washington, Macleod presented a paper titled "The Effects Produced on Diabetes by Extracts of Pancreas," announcing the discovery of insulin to the world's medical community. The team had never before used the term "insulin." The audience applauded the researchers in the standing position.

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1. List the 3 parts of the cell theory below:

2. Identify the part of the cell theory represented by the images below. Do NOT just write part 1 or
part 2!!

can some one help me with this 2 questions

Answers

The cell theory was first proposed by Schwann and Schleiden, then modified by Virchow, and, with time, completed by several researchers to get to the modern version. 1) 1- The cell is the structural and physiological unit of living beings. 2- The cell is the most basic independent unit of life. 3- Cells transmit genetic material during cell division to daughter cells. 2) 1-  Cells are the basic units of reproduction, they originate by division of pre-existing cells. 2- All living organisms are made up of cells. 3- The chemical composition is basically the same in all cells.

What is the cell theory?

The cell theory was first proposed by Schwann and Schleiden around 1830. After a few years, Virchow rejected the third state of Schwann and Schleiden’s ideas about spontaneous generations, and proposed that cells were the product of other pre-existing cells and originated by cellular division.

Currently, the cell theory states that

All living organisms are made up of cells.The cell is the structural and physiological unit of living beings.Cells are the basic units of reproduction, they originate by division of pre-existing cells.The cell is the most basic independent unit of life.

And the modern version of the theory adds a few more aspects,

Energy flows within cells.Cells transmit genetic material during cell division to daughter cellsThe chemical composition is basically the same in all cells.

1) 3 parts of the cell theory:

1- The cell is the structural and physiological unit of living beings.

2- The cell is the most basic independent unit of life.

3- Cells transmit genetic material during cell division to daughter cells

2) Identify the part of the cell theory represented by the images below.

1-  Cells are the basic units of reproduction, they originate by division of pre-existing cells.

2- All living organisms are made up of cells.

3- The chemical composition is basically the same in all cells.

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What are the 3 domains and examples?

Answers

The three domains of are Archaea, Bacteria, and Eukarya with Euryarchaeota, Cyanobacteria, and Fungi as examples respectively.

The six-kingdom classification was proposed by Carl Woese. Because it divides life forms into three categories, this classification method is also known as the "Three Domains Classification." Organisms are divided into six kingdoms and three domains according to this taxonomy. The three domains are archaea, bacteria, and eukarya, while the six kingdoms are Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia.

The kingdoms Archaebacteria and Eubacteria constitute a single kingdom in five-kingdom classification proposed by R.H. Whittaker. The domain archaea and bacteria comprise of prokaryotic organisms with organisms in domain archaea can survive extreme temperature conditions due to their specialized cell walls.

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Which factor of insect success results in the need for limited resources?a) Reproductive Potential. b) Small Size. c) Flight. d) Metamorphosis.

Answers

Small size factor of insect success results in the need for limited resources . Insects adapt to their environment in many ways .

Option B is correct.

What are the factors that contribute to insects' success?

Insects are thought to be so successful due to their small size, ability to fly, and protective outer shell, or exoskeleton. Because of their small size and their ability to fly, they can get away from enemies and move to new places.

How successful are insects' evolutionary processes?

In the history of life, insects are the most successful group of organisms. Over half of the world's biodiversity is made up of insects, which are regarded as the most evolutionary successful group of organisms.

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Which of the following have the thickest layer of peptidoglycan in the cell wall?
A. mycoplasma
B. gram-positive bacteria
C. gram-negative bacteria
D. L-forms

Answers

The cell walls of the following have the thickest layer of peptidoglycan: gram-positive bacteria

What exactly is the peptidoglycan's thick layer?

In Gram positive cells, the peptidoglycan layer is thicker, allowing the stain to be retained and the cell to remain "stain positive" or "Gram positive," as opposed to the thin layer found in Gram negative cells, which cannot stop the stain from leeching out (and hence stain and Gram negative).

Compared to gram-negative bacteria, gram-positive organisms have thicker peptidoglycan cell walls. The peptidoglycan layer of the gram-negative cell wall is 2 to 3 nm thick and covered with an outer lipid bilayer membrane, whereas this polymer is 20 to 80 nm thick.

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what long bone structure is formed from dense irregular connective tissue and is responsible for growth in bone width?

Answers

Bone width increases due to the formation of the periosteum, a lengthy bone structure made of dense, uneven connective tissue.

Which long bone contains connective tissue that is densely irregular?

An uneven, thick connective tissue makes up the periosteum. By connective tissue fibers known as Sharpey's fibers, this tissue layer is attached to or fastened to compact bone. Collagen type I, which enters the lamellae of compact bone, is used to make these fibers.

Appositional growth occurs in hyaline cartilage.

The process by which bone develops from hyaline cartilage is known as endochondral ossification. Chondrocyte division and hyaline cartilage secretion cause long bones to lengthen.

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What are the Nine 9 regions of the abdomen?

Answers

The nine regions of abdomen consist of Epigastric, Umbilical, Hypogastric, Left Lumbar etc.

The nine regions of the abdomen are:
- Right hypochondriac region: located in the upper right quadrant of the abdomen, below the ribs
- Epigastric region: located in the upper central quadrant of the abdomen, above the navel
- Left hypochondriac region: located in the upper left quadrant of the abdomen, below the ribs
- Right lumbar region: located in the middle right quadrant of the abdomen
- Umbilical region: located in the center of the abdomen, around the navel
- Left lumbar region: located in the middle left quadrant of the abdomen
- Right iliac region: located in the lower right quadrant of the abdomen, near the hip bone
- Hypogastric region: located in the lower central quadrant of the abdomen, below the navel
- Left iliac region: located in the lower left quadrant of the abdomen, near the hip bone


These regions are used to help identify the location of organs and structures within the abdomen, as well as to describe any pain or discomfort that may be experienced.

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Consider the formation of one formula unit of aluminum chloride from neutral atoms. In the process, each aluminum atom __________ electron(s) and each chlorine atom __________ electron(s).

Answers

Al3+ and Cl- ions combine to generate an ionic compound that has the formula AlCl3.

When aluminium loses three electrons to produce Al3+, how many protons is left?

The loss of three electrons from the outermost orbit, which are 3s and 3p, results in the formation of the aluminium ion (Al3+). In an ion like the neutral atom, the number of protons stayed constant. The result is that an ion contains 10 electrons and 13 protons.

How many dots make up Al3dot +'s structure?

Al 3+ denotes that it has a 3+ charge due to having 3 less electrons.

The outside shell is filled, giving it the eight dots.

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What are 5 examples of non vascular plants?

Answers

5 examples of non-vascular plants are Mosses, Liverworts, Hornworts, Anthocerotophyta, and Marchantiophyta.

Non-vascular plants, also known as bryophytes, are a group of plants that do not have a well-developed system of tubes for transporting water and nutrients throughout the plant.  Here are five examples of non-vascular plants:

Mosses: Mosses are one of the most well-known types of non-vascular plants. They are found in many different environments, from forest floors to rocky outcroppings, and are often used in gardening and landscaping.

Liverworts: Liverworts are another common type of non-vascular plant. They are named for their liver-shaped thalli (leaf-like structures) and are often found in moist environments such as bogs and swamps.

Hornworts: Hornworts are a type of non-vascular plant that are named for their horn-shaped sporophytes. They are typically found in damp soil or near streams and ponds.

Anthocerotophyta: This is a small group of non-vascular plants, also known as hornworts, which are often found in damp soil or near streams and ponds.

Marchantiophyta: This is a diverse group of non-vascular plants commonly known as liverworts, which are named for their liver-shaped thalli (leaf-like structures). They are typically found in moist environments such as bogs and swamps.

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Other Questions
similarities between system software and application software A group of scientists was examining a newly discovered unicellular organism in order to classify it as a prokaryote or eukaryote. Which of the following tests would the scientists most likely perform to determine if the organism is a prokaryote or a eukaryote?a.Stain to determine if the organism had a cell wallb.Stain to determine if the organism had cytoplasmic ribosomesc.Stain to determine if there were distinct regions within the organismd.Stain to determine where phospholipids were present in the organism Which of the solvents listed below will be used as the recrystallization solvent for this lab exercise? - Toluene - Methanol - Acetone - Ether - Water What is the legacy of these endeavors today? Is Progressivism as Theodore Roosevelt understood it still around? Do Progressives use the same means to an end that were used a century ago? What is the slope of the line that contains the points negative 3, negative seven halves and (2, 4)? one fourth one tenth negative one tenth negative one fourth Imani increased her 401k contributions which decreased her net pay from $637 to 588 determine the percent that imanis net pay was decreased A 0. 36-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 48 n/m. The block is initially displaced 5 cm from the equilibrium point and then released to set up a simple harmonic motion. A frictional force of 0. 3 n exists between the block and surface. What is the speed of the block when it passes through the equilibrium point after being released from the 5-cm displacement point?. I want to develop a legal drug that will help people be the best football players in the world (to use on the Oklahoma Sooners and Dallas Cowboys). In my experiment, I inject high school students with my new drug (experimental) or a placebo (control) and find that the drug worked (they played a game and the drug group won)! However, I am not able to publish my work, due to a selection threat to internal validity. Which of the following demonstrates that threat in my research? O A. Both groups were made up of football players. O B. The experimental group and the control group were not friends. O C. The control group consisted of people who were randomly assigned to be in that group, and we used random assignment for the experimental group. D. The experimental group consisted of students already playing football and the control group consisted of non-athletes E. The goal of the study did not include the University of Utah. El costo de combustible por hora que un tren gasta en su recorrido es de [tex]V^2/5[/tex] pesos donde v es la velocidad en kilmetros por hora Note que el costo depende del cuadrado de la velocidad Otros costos, incluyendo el de mano de obra, son de $400 por hora. Expresa el costo total de un viaje de 500 kilmetros como una funcin de la velocidad v Square BCDE with vertices B(-6, 4), C(-2, 3), D(-3, -1) and E(-7, 0) is reflected over the y-axis. What are the new coordinates? A continental polar air mass moves into an area. Based on the characteristics of this type of air mass, which changes are most likely to happen in the area?A. The temperature will decrease and humidity will decrease.B. The temperature will increase and humidity will decrease.C. The temperature will decrease and humidity will increase.D. The temperature will increase and humidity will increase. How many lone pairs does CH3OH have? the earliest known measurement of the circumference of the earth used is called___ What is social identity theory in real life examples? HELP Ten thousand years ago what might have happened to civilizations in parts of the world that had no goats or other animals that could be domesticated A. There would be no goat racesB. Those people would have no meat to eat D. Please of that culture would not develop strong families Limiting reactant question! Sociologist Robin Williams identified a number of core U.S. values, ten of which are identified in the textbook. Which of the following is not a core U.S. value as identified in the textbook?Healthcare Light and Sound Waves Quick CheckHow are mechanical waves defined? (1 point)1. They are waves that require some form of matter as a medium.2. They are waves that involve matter, rather than energy, moving from one place to another.3. They are waves that are generated by humans, rather than naturally.4. They are waves that are able to pass through a vacuum. The downtime per day for a computing facility has mean 4 hours and standard deviation .8 hour.a Suppose that we want to compute probabilities about the average daily downtime for a period of 30 days.i What assumptions must be true to use the result of Theorem 7.4 to obtain a valid approximation for probabilities about the average daily downtime?ii Under the assumptions described in part (i), what is the approximate probability that the average daily downtime for a period of 30 days is between 1 and 5 hours?b Under the assumptions described in part (a), what is the approximate probability that the total downtime for a period of 30 days is less than 115 hours? for any object, no matter which method of tracking you use to create orthogonal views, your final step is to ensure that each vertex in every view has at least ____ edges connected to it.