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Tcecarenko [31]
3 years ago
7

How do astronomers know the universe is expanding?

Biology
1 answer:
cestrela7 [59]3 years ago
4 0
U can find the answer off socratic !! hope this helped :)
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Produces 4 haploid cells that each have 23 chromosomes. Does this happen for mitosis, meiosis, or both?
svlad2 [7]

Answer:

Meiosis

Explanation:

Because it forms 4 daughter cells which are haploid (half the amount of  chromosomes as parent cell )

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3 years ago
Which of the pathogens could most likely be effectively treated with antibiotics?
olga_2 [115]

Answer:

B

Explanation:

You wont need to go get antibiotics to treat a common cold, just use over the counter meds. Strep and tuberculosis are more contagious and powerful.

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3 years ago
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Reil [10]

When tissues are harmed by bacteria, trauma, heat, or any other cause, an inflammatory reaction occurs.

<h3>What happen when a honey bee stings?</h3>

When a honey bee stings or a disease infects damaged cells, chemicals are released. chemicals are a group of substances that include prostaglandins, histamine, and bradykinin. These substances promote swelling by forcing blood vessels to leak fluid into the tissues.

During the inflammatory reaction, the following processes occurred:

Redness, swelling, and loss of function are all symptoms of heat.

Inflammation is the body's natural defense system. Damaged cells, irritants, and infections are recognized by the immune system, white blood cell kills the antigen and stimulates the other defense cell to act. this process is called a macrophage.

Learn more about defence system here:

brainly.com/question/22681268

#SPJ1

8 0
2 years ago
New technology, such as renewable energy sources , has many positive aspects such as
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Nuclear Power Energy

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Which of the following methods should be used for handling live animals in the lab?
julsineya [31]
Treat animals gently under all conditions. You don’t want to hurt them at all.
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