What happens when water enters the guard cell

Which cells produce serotonin in the gut? A. Serotonin Releasing cells B. Enterochromaffin cells C. Epithelial cells D. Neuronal cells

What can the nervous system do to increase muscle tension?

Proteins are called the building blocks. Theyre needed for growth and development and to repair the normal wear and tear of the body. The body needs to digest proteins to make them available to fulfill these functions.

How is a new cell resulting from mitosis like the original

Which of the following was an inaccuracy in the Miller-Urey experiment? A. They failed to include oxygen among the gases. B. They were not able to recreate Earth's early atmosphere. C. They were not able to recreate the temperature of early Earth. D.

Which primary symptom does the nurse identify as a potentially fatal complication of epidural or intrathecal anesthesia?

Which of these is directly involved in transporting nutrients from the sugar solution into the yeast?

Why do we get a crunchy granular feeling when we chew pear fruit

The Sun's ___ is only visable during a solar eclipse

Explain how and why the thylakoids are able to make ATP in the dark.