The adrenal medulla produces:
a. aldosterone
b. epinephrine
c. cortisol
d. testosterone
e. both aldosterone and cortisol
b
You might also like to view...
Natural selection that shifts the adaptation of an entire population is known as ____
a. stabilizing selection b. directional selection c. disruptive selection d. artificial selection e. sexual selection
Which of the following is NOT produced in the ovaries?
a. oocytes b. gametes c. estrogen d. endometrium e. progesterone
In the absence of oxygen, can cells utilize the electron transport chain?
A. No, oxygen is the primary electron acceptor in electron transport chains in all cell types. B. Yes, in the case that a cell can use a terminal electron acceptor other than oxygen, it can make use of the electron transport chain. C. No, oxygen is a required cofactor for the complexes in the electron transport chain. D. Yes, all cells can make use of the electron transport chain in the absence of oxygen via fermentation.
Tiny openings in the epidermis of the leaf that allow air to enter into the leaf are called
A. thylakoids. B. fenestra. C. stomata. D. grana. E. thylakoid spaces.