For flowering plants, the primary role of fruits is to protect and disperse seeds.
When a flower is fertilized, the ovary at its base starts to develops into a fruit that helps to protects the seeds. Fruits are in a variety of shapes, sizes, and textures, and They have evolved to aid in plant seed dispersal.
Fruits are eaten by animals, who then disperse the seeds through their droppings, or they have specialized structures that helps to be carried to new locations by wind or water.
Fruits, in addition to protecting and dispersing seeds, can be a food source for animals, which increases the chances of the seeds being dispersed. Some fruits have evolved to attract specific animals that are particularly good at dispersing their seeds, while others have evolved to withstand harsh conditions like drought or extreme cold.
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How might embryology help us understand the classification of related organisms?
Only because embryos have experienced less change than adults can we infer evolutionary links between groups of creatures through embryology. Thus, early developmental structures shared among species can be observed by scientists.
Marcello Malpighi advocated early embryology, also referred to as preformationism, the idea that creatures grow from already-existing miniature versions of themselves. Epigenesis, a now-accepted idea, was first put forth by Aristotle.
The concept of epigenesis holds that organisms grow from a seed or an egg in a series of stages. Although reliable observations had been made in Italy by Renaissance anatomists like Aldrovandi and Leonardo da Vinci, modern embryology emerged from the work of Karl Ernst von Baer.
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What is the definition of mummy
Mummy is a dead human or animal whose soft tissues are preserved by removing its internal organs.
What is a mummy and how it is preserved?A person or animal whose soft tissue has been preserved is called a mummy. Egyptian mummies are purposeful, indicating that rites or procedures were carried out on the remains of a human or animal in order to preserve soft tissue.
Mummification is the technique of purposefully drying out or embalming flesh in order to preserve the body after death. This often included drying out a deceased person's body and desiccating the flesh and organs using chemicals or natural preservatives like resin.
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neurons have a net negative charge at rest. this means that when they are active, they must have a positive charge. True/False
A neuron is negatively charged when it is at rest because, depending on the species and the kind of neuron, a cell's inside is roughly 70 mV more negatively charged than its exterior.
Describe a neuron.
Describe a neuron. The basic building block of the central nervous is the neuron, which is designed to send information to various sections of the body. Try out your neuron knowledge! Test your comprehension of this idea by completing the
What are a neuron's projections?
A neuron normally has one axon, which is a long, thin projection. Vertebrate axons are often sheathed in myelin. Dendrite: At the commencement of the neuron, dendrites are root-like extensions that assist in receiving and processing signals for the cell body.
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In 1-2 sentences, explain the role memory plays in animals' sensory systems and provide an example of this role in action.
The role memory plays in animals' sensory systems is to save the information for later use.
Which role does the brain play in an animal's sensory system?The brain analyzes the sensory information that is received by the brain. It tells the body what to do in response of that information. Animals use sensory information to search food, avoid danger, and find their mates. When animals process information which they have received, they store it for use later in the form of memories. These memories help to affect their future actions.
Brain control the functions of the body and it is responsible for movement, communication, memory, emotion and all other activities surround by the general behavior.
So we can conclude that the role memory plays in animals' sensory systems is to store information as memories.
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A human gene carries certain disease from the mother to the child with a probability rate of 57%. That is_ there is a 57% chance that the child becomes infected with the disease: Suppose female carrier of th gene has three children: Assume that the infections of the three children are independent of one another: Find the probability that all three of the children get the disease from their mother: Round to the nearest thousandth: 0.185 Find the probability that at least one of the children do not get the disease from their mother: Round to the nearest thousandth: Select ]
Probability that all three of the children get the disease from their mother is 18.5%, and probability that at least one of the children do not get the disease from their mother is 81.5%.
What is the probability that all three of the children get the disease from their mother?If the probability that a child becomes infected with the disease from the mother is 57%, then the probability that a child does not get the disease from the mother is 100% - 57% = 43%.
Let's use "D" for the event that a child gets the disease from the mother
"ND" for the event that a child does not get the disease from the mother
P(all 3 children get the disease) = P(D and D and D) = P(D) x P(D) x P(D) = 0.57 x 0.57 x 0.57 = 0.1851 or approximately 18.5%.
P(at least 1 child does not get the disease) = 1 - P(all 3 children get the disease) = 1 - 0.1851 = 0.8149 or approximately 81.5%.
Therefore, the probability that all three of the children get the disease from their mother is 18.5%, and the probability that at least one of the children do not get the disease from their mother is 81.5%.
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Which duct transports bile to and from the gallbladder?
a) Pancreatic duct
b) Common bile duct
c) Hepatopancreatic duct
d) Hepatic duct
e) Cystic duct
The duct that transports bile to and from the gallbladder is the hepatic duct.
Thus, the correct answer is D.
Liver is the lаrgest glаnd in the body. It contаins hepаtic lobules which аre structurаl аnd functionаl units of the liver. Hepаtic lobules contаin hepаtic cells thаt produce bile juice. Bile juice digests lаrge globules of fаt аnd converts them into smаll globules of fаt. It is trаnsported аnd stored in the gаllblаdder through а duct cаlled а hepаtic duct.
The gаllblаdder duct cаlled cystic duct аlong with the hepаtic duct is termed common bile duct. The common bile duct аnd pаncreаtic duct then open together form the hepаtopаncreаtic duct before opening into the duodenum. This duct is further guаrded by а musculаr vаlve cаlled the sphincter of Oddi.
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most of the growth of a plant body is the result of a. cell differentiation. b. morphogenesis. c. cell division. d.cell elongation.
In this question, Most of the growth of a plant body is the result of cell division.
What is cell division?A single cell splits into two or more daughter cells during the process of cell division. This is a critical mechanism for multicellular organisms' growth and development, as well as tissue maintenance and repair. Cell division may be divided into two types: mitosis and meiosis. Mitosis is the process by which two genetically identical daughter cells are formed, each with the same number of chromosomes as the parent cell. Meiosis, on the other hand, is a type of cell division that happens during the creation of gametes such as sperm and eggs, resulting in the formation of four daughter cells, each having half the number of chromosomes as the parent cell.
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What is the definition of qualitative observation?
Qualitative observation is a research approach in which researchers collect data through the use of their five senses, which are sight, smell, touch, taste, and hearing.
It is a subjective way of information collection because it is dependent on the researcher's sense organs. Quantitative observation refers to the objective collecting of data for analysis based on numerical and statistical characteristics.
This observation entails displaying obtained variables in terms of their quantity. The emphasis is on numbers and values. Qualitative observations include texture (smooth or rough), flavor (sweet or salty), temperature (hot or cold), and mood (angry or happy). We use qualitative observations on a daily basis, from purchasing veggies at the grocery store to evaluating personnel at our office.
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what would be the effect of ach binding to its receptor on a skeletal muscle cell?
A membrane channel that is selectively permeable to both Na+ and K+ changes shape upon binding of ACh to its receptors.
What transpires when skeletal muscle and ACh bind?Cholinergic opens ligand-gated sodium channels in the cell membrane when it interacts to acetylcholine receptors on skeletal muscle fibres. Then, sodium ions enter the muscle cell, causing the muscle to contract.
What receptors in skeletal muscle cells does acetylcholine bind to?Nicotinic (nAChR) and muscarinic receptors are two physically and functionally distinct types of receptors that are activated by acetylcholine, the neurotransmitter of skeletal neuromuscular junctions (NMJs) (mAChR). While mAChRs are metabotropic receptors that signal through G-proteins, nAChRs serve as cation channels.
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Which metabolic pathway is common to both cellular respiration and fermentation?Cellular respiration:Kreb's cycleElectron transportGlycolysis:
Cellular respiration as well as fermentation both use the glycolysis metabolic pathway.
What is the purpose of glycolysis?Glycolysis is a cytoplasmic process that breaks glucose down into two molecules having three carbon atoms apiece and releases energy. The phosphorylation mechanism that traps glucose is aided by the potassium permanganate enzyme hexokinase. Adenosine triphosphate (ATP) is produced in this process, and the final product, glucose-6-P, inhibits hexokinase.
How many steps in the glycolysis process need ATP?In several of the phosphorylation actions that occur during glycolysis, ATP acts as a phosphate mediator. when glucose-6-phosphate is produced from glucose and fructose-1, 6-bisphosphate is produced from fructose-6-phosphate. In the cell metabolism called glycolysis, glucose is converted into lactate and ATP, which is used as energy by living things.
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True or False: the shock-absorbing pads between the vertebrae are formed of fibrocartilage.
The fibrocartilage that forms the shock-absorbing cushions between the vertebrae. It's true what is said here.
Why does fibrocartilage serve a purpose?The articular cartilage of the temporo-mandibular joint and the junction between the clavicle and the sternum are made of fibrocartilage, as are the intervertebral discs, intraarticular cartilages, and wrist, knee, and temporo-mandibular joints.
What stands out as fibrocartilage's most salient feature?In contrast to other fibrous tissues, fibrocartilage is a strong, tough tissue that is mostly found in intervertebral disks and at the points of ligaments and tendons insertion. It is also similar to other fibrous tissues in that it is composed of chondrocytes and cartilage ground material.
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how old is joseline hernandez
36 years old is joseline hernandez. Joseline Hernandez was born on November 3, 1986, in Ponce, Puerto Rico, and grew up in Puerto Rico's public housing system.
Her biological father died of a drug overdose as well. Her younger sibling has autism and needs specific care. Joseline began stripping at the age of 16 to help support her family. Shenellica Bettencourt was imprisoned for indecent and lewd behavior in 2003 and 2007.
When addressing her academic career, she has not divulged her educational qualifications. Based on her success, we can presume she graduated from a top university.
This lady is 5 feet 5 inches tall and weighs about 56 kg. This actress also has black eyes and black hair.
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Full Question: how old is joseline hernandez?
If a cell has an increased need for a particular molecule already present in a higher concentration within the cell than in the extracellular fluid, the cell might use?
When a chemical's concentration inside the cell is higher than its concentration in the extracellular fluid, the cell must use energy to transfer the material if it must move against its concentration gradient inside the cell.
Active transport systems must ingest the energy of the cell, which is often present as adenosine triphosphate (ATP). If a chemical must move against its concentration gradient inside the cell because its concentration inside the cell is higher than its concentration in the extracellular fluid, the cell must expend energy to do so (and vice versa). Ions and other small-molecular-weight molecules are transported through the membrane via a variety of active transport techniques. Other systems are used to transfer much larger molecules. The cell must use energy to move materials against an electrochemical or concentration gradient. This power comes from the ATP produced by the cell's metabolism.
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Which term means the hardening and narrowing of arteries due to a buildup of cholesterol plaque on the interior walls of the arteries?a. temporal arteritisb. arteriosclerosisc. vasculitisd. atherosclerosis
The accumulation of lipids, cholesterol, and other chemicals on and within the arterial walls is known as atherosclerosis. The accumulation is known as plaque.
How does cholesterol work?In addition to being necessary for the formation of hormones, tissues, cell walls, vitamin D, or bile acid, cholesterol is crucial for optimum health.
Describe a cell?The fundamental units of all living organisms are cells.They give the body structure, consume nutrients from meals, transform those food into energy, and perform certain tasks.
Cell is the fundamental membrane-bound biological device that contains.
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where specifically does the baby get its nutrients from?
what are two better terms applied to eukaryotic flagella than to bacterial flagella?
The two better terms that are applied to eukaryotic flagella than to bacterial flagella are: Undulipodia and Axoneme.
Undulipodia: Eukaryotic flagella are often referred to as undulipodia because of their characteristic wavelike motion that propels the cell. The wave-like motion of eukaryotic flagella is produced by the coordinated sliding of microtubules within the flagellum.
Axoneme: Another term that is commonly used to describe the structure of eukaryotic flagella is axoneme. The axoneme is the microtubule-based cytoskeletal structure that forms the core of the flagellum and is responsible for generating the flagellar movement. The axoneme contains a characteristic 9+2 arrangement of microtubules that is unique to eukaryotic flagella and is not found in bacterial flagella.
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What are the 6 levels of organization of the human body?
Answer:
These include the chemical, cellular, tissue, organ, organ system, and the organism level
Explanation:
Correct me if im wrong
What are gradual long term changes in altered or destroyed ecosystem?
Ecological successions are the word used to describe these slow, long-term changes in changing ecosystems. Ecosystems typically undergo gradual changes before becoming stable.
Does slow mean gradual?When something happens gradually, such as the gradual lengthening of the day over the winter, use the term gradual to describe it. The word "gradual" can also refer to a landform's moderate slope, such as a hill. A hill with a moderate gradient seems to ascend gradually; you might not even be aware that you are climbing it.
What is progressive acceptance?Here, we start to make sense of our surroundings and our position in the change. In essence, our ideas and actions are starting to be acknowledged, and we can now see that the direction we are heading in is the right one.
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What is short-term memory in psychology quizlet?
Short term memory is memory for immediate events that lasts for a short period of time and disappears if not practiced.
Short-term memory refers to the memory systems in the brain that are responsible for recalling information for a short amount of time, usually up to 30 seconds. Short-term memory generates a "visuospatial" sketch of information that the brain has recently acquired and will later integrate into memories.
Long-term memory is the long-term storing of information. Long-term memory is referred to as the preconscious and unconscious in Freudian psychology. This knowledge is mostly hidden from our consciousness, but it can be summoned up into working memory and used when needed.
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The lumen of blood vessels is lined by which type of cell?
A. epithelium
B. adipose tissue
C. muscle cells
D. connective tissue
A. epithelium. It's significant to note that endothelial cells line and shape the lumen of every blood artery in vertebrates.
The blood vessels are lined by what kind of cells?Depending on the vessel's diameter & function, the amount of fibrous tissue and muscle cells in the vascular wall varies, but the endothelium layer is always present.
The lumen is lined with endothelial cells?All blood vessels' lumens are lined with endothelial cells.They protect the blood vessel's integrity and stop blood from leaking into the surrounding skin.When the vessel is whole, it offers a thromboresistant barrier that stops the coagulation system from activating.
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What is the formula for a stable, binary compound formed between Mg+2 and S-2? A.MgS2 B.Mg2S C.Mg2S2 D.MgS
D) Formula for a stable, binary compound formed between Mg+2 and S-2 will be MgS .
How do you get magnesium sulfide formula?It will take one -2 sulfide ion to balance one +2 magnesium ion to form a magnesium sulfide.
Magnesium sulphide, abbreviated MgS, is an inorganic compound. It is a white crystalline material, but it is frequently encountered in impure form as a brown, non-crystalline powder. It is produced industrially during the manufacturing of metallic iron.Sulfur is the first element removed in the BOS steelmaking process. Sulfur is removed from impure blast furnace iron using a lance and several hundred kilogrammes of magnesium powder. Magnesium sulphide is formed and floats on the molten iron, where it is removed.
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how do the hormones released by the endocrine glands get around the body?
Hormones are released into the bloodstream by endocrine glands. The hormones can now enter cells in other places of the sincerest thanks to this.
How do endocrine organs work?a gland that secretes hormones that are immediately released into the circulation and go to all of the organs and tissues. Numerous bodily processes, including development and development, nutrition, and reproduction, are regulated by endocrine glands. The brain, thyroid, and adrenal are a few examples of adrenal gland.
What gland is considered to as the master gland?Pituitary endocrine gland
Because it regulates the activities of many other endocrine glands, the pituitary gland is commonly referred to as the "parent" brain of the endocrine system. At the root of the brain, the pituitary gland, that is approximately the size of a pea, is situated.
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Brainlest to whoever gets it right and sorry if blurry
Answer: What is the error rate in complementary DNA strand sequences after replication
Explanation: I asked my Science Teacher.
A computer will reliably follow a set of instructions without any variation or
mistakes. Which of the following is the best explanation for why random
chance is included in a computer simulation?
A. A living thing rarely repeats a behavior in exactly the same way.
B. It is always a waste of time to repeat the same exact experiment.
C. The scientist who programmed the computer might have made a
mistake.
D. An actual event might occur too fast to be observed in an
experiment.
Answer:A. A living thing rarely repeats a behavior in exactly the same way .
Explanation:
what is found in the space between the pleural layers?
The pleural cavity, also known as the thin area between the two pleural layers, typically holds a tiny amount of pleural fluid.
What is located within the pleural space?The visceral pleura, the inner layer, wraps around the lungs and is affixed to them so firmly that it cannot be removed. The inside of the chest wall is lined with the outer layer (parietal pleura). The pleural gap refers to the incredibly thin space between the layers.
What materials make up pleural lining?The visceral and parietal layers of the pleura are made up of underlying connective tissue and a continuous surface epithelium of mesothelial cells. The parietal pleura lines the ribs, diaphragm, and mediastinum, while the visceral pleura protects the lungs and interlobar fissures.
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Which of the following statements about the Earth's revolution around the Sun is correct?
One revolution requires about one month.
One revolution takes about one year.
The same side of the Earth faces the Sun during revolution around the Sun.
None of these choices are correct.
The following statements about the Earth's revolution around the Sun are correct: One revolution takes about one year; that is the second option, as the Earth takes approximately 365,24 days to complete one revolution.
What is the significance of the revolution?The Earth's revolution, which takes about a year, is responsible for the changing of the seasons because the tilt of the Earth's axis causes different parts of the planet to receive different amounts of sunlight.
Hence, the following statements about the Earth's revolution around the Sun are correct: One revolution takes about one year; that is the second option, as the Earth takes approximately 365,24 days to complete one revolution.
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Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?a. Calcitoninb. Thyroxinec. Parathyroid hormoned. Estrogen
More calcium ions are circulated through the bloodstream as a result of the calcitonin hormone's increased osteoclastogenesis.
What are hormones and how do their differ?"Specialized glands create and manufacture hormones, which are substances that are used to direct and the functioning of specific cells and organs. Endocrine glands are the moniker for these specialized glands.
When do girls begin feeling hormones?Girls often experience puberty here between age of eight and 13, which lasts for a few years. Your body creates and matures throughout this time. Your body is prepared for childbirth by becoming an adult. Hormones, which are organic parts of your body, are what cause the alterations.
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Which one of the following processes in a developing embryo is a prerequisite for all of the other processes?
A mitosis
B germ layer formation
C cell differentiation
D organogenesis
One of the processes in a developing embryo is mitosis, which is necessary for all the other processes.
What steps in the development of an embryo, from fertilisation to implantation, are there?During fertilisation, the sperm and egg join to form a zygote in one of the fallopian tubes. The zygote then develops into a morula after passing through the fallopian tube. The morula grows into a blastocyst once it enters the uterus. Following that, the blastocyst undergoes implantation, during which it enters the uterine lining.
What other names are given to progenitor cells?Progenitor cells, which are multipotent, are often referred to as precursor cells. Prior to differentiating after becoming stem cells, precursor cells are referred to as the intermediate cell.
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What is the difference between Protostome and Deuterostome?
The main difference between Protostome and Deuterostome is in the development of the embryonic gut. Protostomes develop the mouth first while Deuterostomes develop the anus first.
Protostomes and Deuterostomes are two major groupings of animals that differ in their embryological development. Protostomes have an opening (blastopore) that becomes the mouth, and the anus forms later. Deuterostomes have an opening that becomes the anus and the mouth forms later.
Protostomes include animals such as insects, mollusks, and annelids. Examples of deuterostomes include echinoderms, chordates, and hemichordates.
In Protostomes, the first opening in the embryo, called the blastopore, develops into the mouth. The second opening that forms becomes the anus. In Deuterostomes, the blastopore develops into the anus and the second opening becomes the mouth.
Additionally, Protostomes have spiral cleavage while Deuterostomes have radial cleavage during embryonic development. Protostomes also have determinate cell fate, meaning that the fate of each cell is determined early on in development. Deuterostomes have indeterminate cell fate, meaning that cells can become any type of cell until a later stage of development.
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proteins are a chain made up of links. each link is an amino acid. there are 20 different amino acids. what binds the links together?
A protein molecule is made from a long chain of these amino acids, each linked to its neighbor through a covalent peptide bond Proteins are therefore also known as polypeptides.
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Alpha-amino acids, which make up proteins, are by far the most significant amino acids in nature, despite the fact that there are hundreds of them. In the genetic code, only 22 alpha amino acids are present.
Alpha-, beta-, gamma-, or delta-amino acids can be categorized according to where the main structural functional groups are located; further classifications relate to polarity, ionization, and the kind of side chain group (aliphatic, acyclic, aromatic, containing hydroxyl or sulfur, etc.)
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