what structure best describes an angiosperm ovule just prior to fertilization?

The given statement is True. The two-part structure responsible for protein synthesis is the ribosome, which is composed of two subunits, the large and the small subunit.

Protein synthesis is the process by which cells construct proteins. It mainly involves two steps: transcription and translation.

Transcription is the first step in protein synthesis is transcription, which occurs in the nucleus of the cell. In this step, the DNA sequence of a gene is used as a template to produce a messenger RNA (mRNA) molecule. This is achieved by an enzyme called RNA polymerase, which reads the DNA sequence and synthesizes a complementary RNA sequence.

To know more about DNA, visit here:

https://brainly.com/question/264225

#SPJ4

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.

What is the Banting's method?

The Banting's method is a weight loss program developed by William Banting, an English undertaker, in 1863. It is considered to be the first modern diet plan and is based on limiting the intake of carbohydrates and increasing the intake of protein and fat. The diet is an ancestor of the modern-day low-carbohydrate diet, and has been used as a successful weight loss program by millions of people around the world.

Banting's method of isolating insulin involved extracting pancreatic juice from a dog's pancreas and testing it on other dogs to determine its effectiveness. The process of extracting the pancreatic juice did not involve any surgical procedures.

Hence, the statement is False.

To know more about Banting's method,

https://brainly.com/question/30361057

#SPJ4

Two gene loci are on nonhomologous chromosomes, genes at these loci are True

An organism can either have homozygosity or heterozygosity. An organism is homozygous for a gene if it has two identical copies of the gene in its genome. On the other hand, an organism is said to be heterozygous for a gene if it has two alleles of the gene that differ from one another.

Due to the presence of two identical alleles (dominant and recessive, respectively), AA or aa are examples of homozygous situations. As the genotype "Aa" possesses both a dominant and a recessive allele for a certain gene, it is heterozygous.

The genotype "AABbcc" has two copies of the dominant and recessive alleles, respectively, making it homozygous for "A" and "c." However, the second locus reveals heterozygosity loci (Bb). The homozygous condition (cc) in which the recessive allele is present ensures that it will manifest.

Learn more about Loci here

https://brainly.com/question/14145665

#SPJ4

Compared to non-vascular plants, they have a more recent shared ancestor with seeded plants.The groupings found among the vascular plants without seeds do not all share a common ancestor.

It is believed that SVPs are a paraphyletic group of organisms that belong to the Fern & Lycophyte lineages.These two lineages share the following characteristics:Sporophytes produce complex tissues such true roots, stalks, and leaves as well as lignified vascular tissue.

All members of a monophyletic group share a single common ancestor.Only some of the descendants of a common ancestor are shared by paraphyletic groups.A paraphyletic group needs to contain all of the descendants in order to become monophyletic.

To know more about vascular plants visit:

https://brainly.com/question/6000589

#SPJ4

The flagellate that lives symbiotically with termites and aids in cellulose digestion is called Trichonympha. Here option C is the correct answer.

Termites are known for their ability to digest wood and other plant materials, which is made possible by the presence of various microorganisms in their gut, including Trichonympha.

These flagellates live in the hindgut of termites and help to break down cellulose into simple sugars that can be absorbed by the termite. Trichonympha is a single-celled organism that is characterized by its elongated shape and multiple flagella, which it uses to move around and to help break down cellulose.

It is one of several microorganisms that live in the termite gut and contribute to the digestive process. Without the help of Trichonympha and other gut microorganisms, termites would not be able to extract nutrients from the cellulose in wood and other plant materials, and they would not be able to survive.

To learn more about Trichonympha

https://brainly.com/question/29469285

#SPJ4

The structure of DNA allows living things to pass down their genetic information to the next generation.

The full form of DNA is Deoxyribonucleic acid. It is the genetic material that is responsible for transmission of characters from parents to the offsprings. The structure of DNA, with its double helix shape and complementary base pairing, allows living things to pass down their genetic information to the next generation by providing a template for the accurate replication of genetic information during cell division.

The sequence of nucleotides in the DNA molecule encodes the genetic information that is responsible for the inheritance of traits from parent to offspring.

Learn more about DNA, here:

https://brainly.com/question/21992450

#SPJ1

The kidneys remove urea from of the bloodstream through the tiny filtering organelles called as nephrons. A nephron is made up of a small ball of bloodstream and a short tube known as the renal tubule.

One million filtering cells called nephrons make up each of your kidneys. A nephron is made up of a tubule and a filter known as the glomerulus. The tubule removes waste while restoring vital chemicals to the blood and filtering it through the glomerulus. The nephrons work in this way.

This function, which also removes surplus water and waste, cleans your blood. This waste excretes poop. The kidneys' filtering cells are called nephrons.

Learn more about kidney

https://brainly.com/question/29992259

#SPJ4

Yes, the long-armed squid (Gonatus fabricii) is a real species of cephalopod. It is a deep-water species, found in the eastern North Pacific and in the eastern North Atlantic at depths of 400–2000 m. Its distinguishing feature is its long, slender arms, which are usually about twice as long as the mantle length.


It is also known as the giant squid (Architeuthis dux) and is one of the largest known invertebrates. The long armed squid can grow up to 43 feet in length and has the largest eyes of any animal, measuring up to 10 inches in diameter. These squids are typically found in deep ocean waters and are rarely seen by humans.

However, they have been known to wash up on beaches and have been caught by fishermen. Although the long armed squid is a real species, it is still largely a mystery to scientists due to its elusive nature.

To learn more about  invertebrates:

https://brainly.com/question/13285943#
#SPJ11

Both the in vitro growth test and full-term survival results indicated that cumulus were the most successful type of cell for somatic cloning.

What purpose do cells serve?

They give the body structure, absorb nutrients from meals, turn those into energy and perform certain tasks. Additionally, cells have the ability to replicate themselves and contain the body's genetic material. Each component of a cell has a different purpose.

How are cells constructed?

The cellular membranes, the nuclei, and the cytosol are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell. The majority of the region of Dna is located in the nucleus, a structure within the cell that houses the nucleolus. The majority of RNA is also created there.

To know more about cell visit:

https://brainly.com/question/30046049

#SPJ4

Venous sinuses, efferent lymphatic vessels, afferent lymphatic vessels When antigens are discovered in the blood, the spleen starts an immunological response.

In its own vessels, lymph is transported throughout the body in a one-way motion from the interstitium to the vena cava at the bottom of the neck. The lymphatic system relies on the movements of a muscle and joint movements to go higher because it lacks a heart to do so.

The lymph travels through the lymph vessels in peristaltic movement of contraction until it empties into the right thing in the right duct or the thoracic duct these drain ducts.

To know more about vessels visit :

https://brainly.com/question/29553798

#SPJ4

The sporophyte phase and the gametophyte phase make up the angiosperm's diplontic life cycle.

The sporophyte, a diploid, is the predominant free-living phase in a diplontic life cycle (2n). A photosynthetic organism is the sporophyte. Single to few-celled haploid gametophytes serve as a representation of the gametophytic phase. This sort of life cycle is present in all gymnosperms and angiosperms, which are plants that produce seeds.

A sporophyte is the typical plant body that we perceive when we look at an angiosperm; the cells of a sporophyte body have a full complement of chromosomes (i.e., the cells are diploid, or 2n).

During pollination, the pollen grains are expelled from the anther and fall onto a stigma. A pollen tube is created when the pollen grain germinates, carrying the sperm to the egg inside the ovule during fertilisation. In the seed, the sporophyte embryo grows. The seed germinates, and the sporophyte starts to grow again.

To know about the life cycle

https://brainly.com/question/21473365

#SPJ4

None of these are present in this sample

The arrangement, ratio, and kind of atoms in the molecules of chemical substances are known as their chemical composition. Chemical reactions change the chemical makeup. Water is created, for instance, when hydrogen and oxygen mix.

The physical and chemical qualities of the substance are determined by its chemical composition. We can infer that composition determines how atoms are assembled. The substance has characteristics like as density, colour, strength, and others.

Learn more about Chemical composition here:

https://brainly.com/question/26487468

#SPJ1

Answer:

A,B,C,and maybe H. A carcinogen is a toxic substance that causes cancer.

Darwin's theory of natural selection occurs because of the process of variation and selection. All organisms produce offspring with variations in their inherited traits.

Some of these variations may provide a survival advantage in a particular environment. For example, a bird with a longer beak may be able to reach food that other birds cannot, giving it an advantage in finding food and surviving.

Over time, these advantageous traits become more common in a population as the organisms with these traits produce more offspring that also have these traits. This process is known as natural selection.

On the other hand, organisms with traits that are not advantageous in a particular environment are less likely to survive and reproduce, so their traits are less likely to be passed on to future generations. Over time, this results in populations that are better adapted to their environment, as the traits that provide a survival advantage become more common.

To learn more about Darwin's theory

https://brainly.com/question/12790248

#SPJ4

The body is divided into superior and inferior (head and tail) sections by the transverse plane, also known as the axial or X-Z plane. Usually, it is a horizontal plane that runs through the middle of the body.

A plane that runs parallel to the sagittal suture is known as the sagittal plane or lateral plane (longitudinal, anteroposterior). It separates the body's left and right halves. The body is divided into dorsal and ventral (back and front, or posterior and anterior) sections by the coronal plane or frontal plane (vertical).

Any vertical plane that is parallel to the median plane has been described as the sagittal plane. Additionally, the coronal plane is a vertical plane that is parallel.

To know more about body visit:-

https://brainly.com/question/23974512

#SPJ4

An example of climate change changes in when flowers and plants bloom.

The correct option is A.

Long-term changes in temperature and weather trends are referred to as climate change.

These changes may be natural, but since the 1800s, human activity has been the primary cause of climate change. This is mainly because burning fossil fuels, such as coal, oil, and gas, creates gases that trap heat.

Learn more about climate change at: https://brainly.com/question/1789619

#SPJ1

Complete question:

Which of these is an example of climate change?

Question 5 options:

A changes in when flowers and plants bloom

B less extreme weather occurs

C lower sea levels

The correct options are:

• B. Assembly of ribosomal subunits occurs in the nucleus.

• C. Synthesis of mRNA from DNA occurs in the nucleus.

• E. Synthesis of ribosomal RNA occurs in the nucleus.

A ribosome is a cellular structure or organelle found in all living cells, including prokaryotes (bacteria) and eukaryotes (plants, animals, fungi, and protists). Ribosomes are the site of protein synthesis, where the genetic information encoded in messenger RNA (mRNA) is translated into proteins.

Ribosomes are composed of two subunits, each of which is made up of ribosomal RNA (rRNA) and proteins. The small subunit is responsible for reading the mRNA sequence, while the large subunit catalyzes the formation of peptide bonds between amino acids, building the protein chain.

The nucleus is responsible for many important cellular functions, but calcium storage and protein synthesis do not occur within the nucleus. Ribosomes, which are responsible for protein synthesis, are assembled in the cytoplasm, not the nucleus.

To know more about mRNA, visit:

https://brainly.com/question/12903143

#SPJ1

Both open and closed configurations are possible for channel proteins. Channel proteins enable significantly faster transfer than carrier proteins.

The body need proteins to function properly. They serve as the building blocks for several bodily components, including the skin, hair, and enzymes, cytokine, and antibodies. Living things contain chemical molecules called proteins. They perform several different tasks, such as organising, transportation, and defence Examples of particular proteins are collagen, glucagon, and anticorps.

The beta cells in the body produce it.

To know more about proteins visit :

https://brainly.com/question/30258984

#SPJ4

The villi are found inside the small intestine of the biological body.

Towards the beginning of the small intestine, they are the most abundant, and as they go towards the end of the tract, they become less frequent. They range in size from 0.5 to 1 mm (about 0.02 to 0.04 inch). The presence of so many villi gives the inside of the gut wall a velvety appearance. The projections known as vili are covered in blood arteries and shaped like fingers. They help with nutrient absorption by increasing the surface area for absorption and are located in the inner lining of the small intestine.

The middle section of the small intestine is called the jejunum, and it joins the duodenum and ileum. It is around 2.5 m (8 ft) in length, and its surface area is increased by intestinal villi and circular folds.

Learn more about villi at

https://brainly.com/question/15522849

#SPJ4

Answer: Your welcome!

Explanation:

1. Proteases: Proteases are enzymes that break down proteins into smaller peptides and amino acids. They play a major role in digestion by helping to break down proteins found in food into their smaller components for absorption.

2. Lipases: Lipases are enzymes that break down fats into smaller molecules of glycerol and fatty acids. They are necessary for the digestion of fats, which are not soluble in water and therefore cannot be digested without the help of lipase enzymes.

3. Amylases: Amylases are enzymes that break down carbohydrates, such as starches and sugars, into simpler sugars, such as glucose and fructose. They are important for the digestion of carbohydrates, which are necessary for the absorption of energy from food.

4. Phosphatases: Phosphatases are enzymes that break down phosphates into smaller components. They are important for the digestion and absorption of phosphates, which are important for energy metabolism and muscle contraction.

5. Cellulases: Cellulases are enzymes that break down cellulose, a complex carbohydrate found in plants, into glucose molecules. They are important for the digestion and absorption of cellulose, which cannot be digested by humans.

6. Maltases: Maltases are enzymes that break down maltose, a complex sugar found in grains, into two molecules of glucose. They are important for the digestion and absorption of maltose, which is necessary for energy metabolism.

The role of rubisco in the Calvin cycle is rubisco incorporates CO2 from the atmosphere into an organic molecule. Option B is correct.

Rubisco, or ribulose-1,5-bisphosphate carboxylase/oxygenase, is an enzyme that plays a critical role in the Calvin cycle, which is the process by which plants and some other organisms convert carbon dioxide into organic molecules.

Rubisco catalyzes the first step in the cycle by incorporating carbon dioxide from the atmosphere into a five-carbon molecule called ribulose-1,5-bisphosphate (RuBP). This reaction forms two molecules of a three-carbon compound called 3-phosphoglycerate, which are then used to synthesize sugars and other organic molecules.

Rubisco is considered one of the most important enzyme on Earth because it drives the process of carbon fixation, which is the conversion of carbon dioxide into organic compounds that form the basis of life. However, rubisco is also known for its relatively low catalytic efficiency and tendency to catalyze a competing reaction that leads to the loss of carbon from the cycle.

To know more about Calvin cycle here

https://brainly.com/question/17600594

#SPJ4

When urine appears brown or like tea, it may be an indication of dehydration, the presence of certain medications or supplements in your body, or a medical condition.

One of the most common causes of dark urine is dehydration. When you are dehydrated, your body retains more water and produces less urine, which can cause urine to become concentrated and appear darker in color.

Certain foods and beverages, such as black tea, can also cause urine to appear darker in color. Additionally, some medications and supplements, such as rifampin and phenazopyridine, can cause urine to appear brown or red.

Medical conditions such as liver disease, kidney disease, and rhabdomyolysis (a condition in which muscle tissue breaks down and releases a pigment called myoglobin into the bloodstream) can also cause urine to appear brown or tea-colored.

Know more about dehydration here: https://brainly.com/question/12261974

#SPJ4

True. Chondrocytes, which are the cells in charge of creating and maintaining the cartilage matrix, divide and secrete new matrix during a process called appositional growth,

which results in the growth of cartilage.

Within cartilage, chondrocytes divide and secrete new matrix during appositional growth. cartilage that has become calcified. Two diaphyses and one epiphysis could define a long bone.

As opposed to interstitial growth, which occurs when the chondrocytes within the present cartilage matrix divide and produce new matrix, in the latter case.

Chondrocytes in the perichondrium, the cartilage's outer layer, divide and secrete new matrix as the appositional growth process progresses.

Learn more about ‘  appositional growth ’ visit here;

https://brainly.com/question/2992086

#SPJ4

Answer:

Tissue is classified into four types: connective tissue, epithelial tissue, muscular tissue, and nerve tissue. Connective tissue supports and connects other tissues (bone, blood, and lymph tissues). Epithelial tissue serves as a protective layer (skin, the linings of the various passages inside the body).

Explanation:

I hope this helps! :) If it does could you please mark me brainliest?

Answer:

There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Connective tissue supports other tissues and binds them together (bone, blood, and lymph tissues). Epithelial tissue provides a covering (skin, the linings of the various passages inside the body).

Explanation: Hope this helps. Mark me brainliest

The electric field on a conductor's surface at electrostatic equilibrium is totally perpendicular to the surface, which is one of the conductors' additional characteristics.

A subfield of physics known as electrostatics studies the processes and characteristics of electric charges that are stationary or moving slowly. Coulomb's law, which describes electrostatic processes, explains how electric charges interact with one another to produce forces.

A few instances of electrostatic forces Electrostatic force is created when we comb a piece of paper through the oil in our heads. When one of the balloons is brushed with hair, the second balloon is drawn to it.

To know more about Electrostatics visit:

https://brainly.com/question/29158172

#SPJ4

According to the WHO, acute and subacute infective endocarditis is classified as an ICD-10 code I33. 0 under the heading "Diseases of the circulatory system."

A potentially fatal inflammation of the inner lining of the heart's chambers and valves is known as endocarditis. The endocardium is the term for this lining. Infection is frequently the cause of endocarditis. Germs such as bacteria, fungus, or others enter the bloodstream and adhere to the heart's damaged parts.

Bacteria that enter the bloodstream and lodge in the heart lining, a heart valve, or a blood artery can infect the heart muscle and produce infectious endocarditis, also known as bacterial endocarditis. Although IE is not prevalent, various heart diseases increase a person's likelihood of having it.

Learn more about   infective endocarditis

https://brainly.com/question/29625219

#SPJ4

The somatic nervous system is involved in the relay of sensory and motor information to and from the central nervous system.

In the neurological system, the nerve cell serves as the fundamental communication unit (neuron). An axon, a large branching fiber, and countless smaller branching fibers make up the cell body of each nerve cell (dendrites).

Your body's command center is your nervous system. Your motions, thoughts, and automatic reactions to the world around you are all controlled by this, which is a function of your brain. It also regulates other bodily functions and systems, including respiration, digestion, and sexual development (puberty).

To know more about nervous system visit:

brainly.com/question/3239081

#SPJ4

The eukaryotic cell structure involved in supporting the shape of the cell and anchoring organelles to fixed locations is the cytoskeleton.

What do you mean by cytoskeleton?

The cytoskeleton is a network of protein fibers that provides structure and support for a cell, as well as playing an important role in cell motility. It consists of three types of proteins: microtubules, microfilaments, and intermediate filaments. The cytoskeleton is essential for maintaining cell shape and organization, as well as facilitating movement, intracellular transport, and signal transduction.

The cytoskeleton also provides the tracks for organelle movement and helps to regulate cell division. The cytoskeleton is also responsible for the process of cytokinesis during cell division, which separates the daughter cells.

To know more about cytoskeleton,

https://brainly.com/question/19861093

#SPJ4

There are different types of pathogens, but we're going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

Pathogens are the infectious disease causing microorganisms that could be really fatal for the survival of human beings if not treated on time.

Pathogenic microorganisms cause diseases in host organisms and depending upon their tendency to cause many serious diseases they are termed as virulent or non virulent in nature.

In general biological terms they are known as infectious agents or simply the germ cell.

There could be some other pathogens as well like prions, viroids etc.

To know more about pathogens visit at:

https://brainly.com/question/1273396

#SPJ4

In a marsh ecosystem that experiences a hurricane, the following which would most likely be affected is the more burrowing animals living in the deeper soil layers. Thus, the correct option is A.

A hurricane is a tropical storm with the winds that have reached a constant speed of about 74 miles per hour or more speed. The eye of a storm is the part which is usually 20-30 miles wide and may extend over a range of 400 miles. The dangers of a storm include the torrential rains, high winds, and storm surges.

In a marsh ecosystem that experiences a hurricane, the thing which is most likely to be affected is the more burrowing animals living in the deeper soil layers.

Therefore, the correct option is A.

Learn more about Hurricane here:

https://brainly.com/question/13661501

#SPJ1

Your question is incomplete, most probably the complete question is:

In a marsh ecosystem that experiences a hurricane, which of the following would be the most likely affect?

A. A loss of plant life from saltwater brought in by storm surge

B. More burrowing animals living in the deeper soil layers

C. Death of most organisms due to fires from lightning strikes

D. Increase in diversity of organisms due to more competition