Author Question: Which of the following is true of active transport mechanisms? A) They are exclusively responsible ... (Read 59 times)

jwb375 · **on:** Aug 20, 2018

Which of the following is true of active transport mechanisms?
A) They are exclusively responsible for the movement of nutrients into and out of the enterocytes.
B) They facilitate the processes of osmosis and simple diffusion.
C) They require energy to move substances across cell membranes.
D) They allow nutrients to move from a region of higher concentration to a region of lower concentration.

Question 2

Which of the following statements is true of elimination?
A) Elimination occurs through the microvilli in the large intestine.
B) The gastrointestinal tract and accessory organs carry out the process of elimination.
C) The consistency of feces depends on its mucus content.
D) Elimination removes metabolic wastes like ammonia and carbon dioxide from the body.