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3 years ago

What is advantage is conferred to algae and plants that possess sporopollenin?

1 answer:

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The advantage that is conferred to algae and plants that have sporopollenin is that they have reproductive cells that are more resistant to desiccation. Remember that a sporopollenin is a polymer that is inert and makes up the outer layer of pollen grains and spores. Sporopollenin is also found in the cell walls of several taxa of green alga, including Phycopeltis

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Match the following terms and definitions. 1. an electrical nerve impulse sent by nerve fibers to the central nervous system for

vladimir1956 [14]

Answer:

1. an electrical nerve impulse sent by nerve fibers to the central nervous system for interpretation. Action potential.

2. neurons that detect chemicals such as those found in food. Chemoreceptors.

3. type of eyes many arthropods have; eyes that protrude outward and consist of many lenses. Compound eyes.

4. the structure that gives the response to an environmental change. Effector

5. neurons that detect electrical fields. Electroreceptors.

6. secretion of hormones into the blood stream to affect distant processes. Endocrine.

Explanation:

An action potential is a change in the internal charge of a cell due to depolarization. These changes allow the transmission of a message from any part of the body to the central nervous system. The central nervous system will interpret the message and will give a response.

There are different types of receptors in our bodies. Chemoreceptors are the ones that detect chemicals and produce an action potential or a neurotransmitter. These receptors respond to chemicals. Another type of receptor is the electroreceptors. They detect electrical fields and are only on the skin of aquatic animals.

Compound eyes have a large number of ommatidia. As a result, the anthropods with this type of eyes have a large view angle. In other words, every ommatidium sees an image, and the final product is a combination of all of them.

The effector is the structure that gives an answer once an affector has sent the message to the nervous system that there was a change in the environment.

There are different kinds of secretions, autocrine, paracrine, and endocrine. In the endocrine secretion, the gland secrets hormones into the bloodstream so that they can travel long distances up to their target cell, which is far from the gland.

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2 years ago

Which of the following are compounds? (Choose all that apply.)

STatiana [176]

Answer:

Water, organic biological molecules, sodium chloride, glucose.

Explanation:

A compound is anything composed of two or more separate elements.

O2 and H2 are a singular elements, and a chain of carbon atoms is multiple of the same element, so these are not considered compounds.

Sodium chloride is sodium and chlorine, and water is oxygen and hydrogen. Glucose is a compound of sugar, and organic biological (or biomolecules) are made up of carbon and hydrogen, so these are all considered compounds

I hope this helps! Happy learning, friend :)

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3 years ago

Why are proteins considered organic molecules

Arlecino [84]

They are considered organic molecules because the monomer which make proteins are amino acids which are organic compounds.

4 0

3 years ago

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BALANCE THE FOLLOWING CHEMICAL REACTION

Tomtit [17]

Answer:

Hey ! The number of atoms in the reactants must be equal to the number of atoms in the products so

CCl4 ~> C + 2 Cl2

7 0

3 years ago

Dr. Bob hypothesizes that drug X causes cuts to heal more quickly. He performs a medical experiment on a group of 100 people and

katrin2010 [14]

Answer:

The correct answer will be option-D.

Explanation:

In the given question doctor used the scientific method to understand and explain the natural phenomenon.

The scientific method involves various steps like making an observation followed by background research, predicting a hypothesis and performing tests to test the hypothesis. These steps have been performed by the doctor.

After these steps the doctor will analyse the result and reach to the conclusion. This would be followed by publishing the results in a scientific journal where it would be reviewed by the fellow scientists.

Therefore, the next step will be publishing the result and thus option-D is the correct answer.

3 0

3 years ago

Read 2 more answers