Which hormones are secreted by the adrenal cortex, and regulate the ion balance of the body?

Which of the following elements is not particularly abundant in living cells?

a. carbon b. hydrogen c. helium d. nitrogen e. oxygen

Endosperm is usually triploid. Indicate whether the statement is true or false

Refer to the accompanying figure. Antidiuretic hormone has its effects along the region labeled as:

a. 6. b. 7. c. 8. d. 9. e. 10.

If I tested your intestinal fluid and found that it was basic, which of the pH values listed would best describe this solution?

A) 6.8 B) 3.2 C) 8.0 D) 1.2