What changes take place in the immune system of a person infected with hiv

When conducting a blology investigation, why is it important to note the safety rules and symbols? a.) to avoid accidents b.) to obtain better data c.) to finish on time d.) to follow the scientific method

Water is said to have a low vapor pressure. How does this property affect large bodies of liquid water on Earth? It prevents them from freezing. It prevents them from flowing underground. It prevents them from spreading onto land.

A commonly used medication to treat hypothyroidism is A. glipizide. B. levothyroxine. C. metformin. D. glitazone.

Explain why actively growing cells are usually small in size

What is the definition of tetrad

Why do vaccines work for some diseases but not others?

Which is not a disturbance of an ecosystem?

Which term means the evaluation or appraisal of a condition?

In your own words, explain the role of the digestive, endocrine, and excretory systems in maintaining homeostasis. will mark brainliest

Suppose you want to radioactively label DNA but not RNA in dividing and growing bacterial cells. What radiolabeled molecule would you add to the culture medium? Why would it selectively label DNA but not RNA?