Which of the following is false regarding plasma membranes?
A) They contain two layers of phospholipids.
B) They contain cholesterol, carbohydrates, and proteins.
C) Their phospholipids have a round head and one tail.
D) Cholesterol and phospholipids are essential.
C) Their phospholipids have a round head and one tail.
Regarding plasma membranes, their phospholipids do NOT have a round head and one tail. While their heads are round and contain the phosphate, they have two tails, which are long-chain hydrocarbons. Other substances embedded in the membrane include cholesterol, carbohydrates, and proteins.
You might also like to view...
For infection control, host susceptibility is increased by:
A. fomite exposure. B. speeding the patient's recovery. C. standard precautions. D. handwashing.
ECG machines are calibrated so that:
A. 1 cm = 1 second. B. 1 cm = 1 mV. C. 1 mV = 0.5 cm. D. 1 mV = 1 second.