A positively charged sodium ion
a. would get stuck in the hydrophobic core of the membrane.
b. freely diffuses directly across the cell membrane.
c. would require the use of integral protein channels to pass through a cell membrane.
Answer: c. would require the use of integral protein channels to pass through a cell membrane.
You might also like to view...
What is thought to be the reason of breaching? a. To communicate an individual's arrival
b. All of these choices. c. To show dominance. d. To signal a departure from a group.
Your liver produces 90% of the cholesterol found in your body. When cholesterol levels get too high, the first enzyme in the pathway of cholesterol synthesis is inhibited. This is an example of
A. positive feedback. B. negative feedback. C. equilibrium. D. denaturation. E. a coenzyme.
Refer to the accompanying figure. Insulin-like growth factor would be included with which of the following pairs?
a. 1, 2 b. 3, 4 c. 6, 9 d. 7, 8 e. 10, 11
Plants that show a pattern of stomatal opening and closing that is the reverse of C3 plants are called
A. CAM. B. C4. C. temperate. D. Calvin cycle.