21. Which statement is true about a nucleus?

a. It is the site of enzyme storage.

b. It is the site of energy conversion.

c. It is surrounded by antibodies.

d. It is surrounded by a double membrane.

Which of the following is an example of an internal influence? your cultural background how you feel about yourself your family, friends, peers, teachers and role models the community or environment where you live

In the total darkness of a deep natural cave, what type of adaptations do you expect to see in animals?

An axon is a A) neuron's cell body. B) cluster of fibers at one end of a neuron. C) support cell in the nervous system. D) long, slim, tube-like structure extending from a neuron.

Explain Female Reproductive System

A pregnant client asks the nurse about the hormone that stimulates postpartum contractions. the nurse tells the client that the primary hormone that stimulates postpartum contractions is which?

What's the difference between anaerobic respiration and aerobic respiration?

What releases energy from food

What type of rock would you form in this environment, showing a dried up lake bed?

At which time of the day would the nurse expect to obtain the lowest body temperature?

When an ocean wave reaches shallow water the energy of the wave ... A. pushes water up B. Returns water to the ocean C. Becomes stronger D. Disappears