BIOLOGY HIGH SCHOOL

Exposure to UV light stimulates the skin to produce which vitamin?a. A
b. B
c. C
d. D

Answers

Answer 1
Answer: Your body is able to produce its own vitamin D3 when your skin is exposed to the sun's ultraviolet rays, specifically ultraviolet (UVB) radiation. When UVB rays hit your skin, a chemical reaction happens: Your body begins the process of converting a prohormone in the skin into vitamin D.
Answer 2
Answer: Exposure to UV light stimulates Vitamin D to be produced

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Sister chromatids separate during _____.
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Which of the following is a bacterial disease?A. flu B. cholera C. measles D. common cold

HELP PLEASE, 20 POINTS!! Propose two additional solutions to address the ecological phenomena causing the water contamination in Lake Erie.

Answers

Answer:

It's best to avoid fertilizers generally.

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Check your septic system. Just as manure encourages algae to grow, so does human sewage. ...

Don't use a garburator. ...

Combat shoreline erosion. ...

Don't lather up near water sources. ...

Be careful with your detergents. ...

Minimize impervious surfaces close to the water where possible.

Explanation:

This is what I found According to Google :)

Much like a cell , a virus is able to

Answers

Similarly to cells, viruses can spread and grow, as well as mutate. They can change what they do becoming even more deadly or they can become immune to medicine. They can also spread from cell to cell, then from people to people, change the way they spread as they mutate, and many many other things that are usually bad for humans.

What do bacteria have in common with the cells of other living organisms

Answers

Answer:

Bacteria and other living cells have some universal features that are, they are present in all the living cells.

These features include:

Plasma membrane: The lipid bilayer which separates the cell from the external environment. It is present in all the living organism.

Cytoplasm: It is a gel-like substance present within the plasma membrane of the cell (excluding nucleus). It contains and supports all the cell organelles and cell parts.

Ribosome: It is a vesicular structure made up of protein and ribosomal RNA. It is the main site of protein synthesis in all the cells. Prokaryotes generally contain 70S ribosomes and eukaryotes generally contain 80S ribosomes.

Genetic material: All the living organisms contains genetic material (usually DNA) either confined in the nucleus or floating freely in the cytoplasm.
They have ribosomes.They contain cytoplasm.
Some things bacteria have in common with cells of other livingorganisms is they both have chromosomes, they both have organellesand a nucleus, and are alive.


This should help! :)

Most autotrophs make “food” through the process ofa. photosynthesis.
b. homeostasis
c. chemosynthesis
d. cellular respiration

Answers

Autotrophs use photosynthesis, A.

Answer: A) photosynthesis

Explanation: Autotrophs are organisms that make their own food. Humans and animals do not make their own food. Instead, they get their food by eating other organisms. Organisms like plants can make their own food using photosynthesis, which would make them autotrophs.

The moon has her porches turned to face the light,But the deep part of her house is in the darkness.

Choose the statement that best explains the author’s meaning using the lines above?

A. The author notices that half the moon is lit by the sun while the other half is in darkness.

B. From earth, the author sees all parts of the moon at some point through the night.

C. The author means the moon is full of seas of liquid water.

D. The earth’s shadow is blocking part of the moon from the author.

Answers

Out of the statements provided, the one that best explains the author's meaning is that the author notices that half the moon is lit by the sun while the other half is in darkness. The correct answer is A. 

Answer:

IT's A

Explanation:

Removing wastes from the body is called _____.a.
exhalation.
b.
excretion.
c.
respiration.
d.
none of the above.

Answers

excretion is process of removing waste from the body.
The answer is b. excretion. Excretion means to remove waste from your body.
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A person sees a ball and kicks it, in part because of actions of the nervous system. Using the parts of the nervous system listed, describe the path of nerve impulses that cause the person to (1) see the ball and (2) kick the ball.
What is the source of oxygen produced during photosynthesis?