Multiple Choice
The function of glycoproteins and glycolipids in cell membranes is to
A) vary the fluidity of the membrane as needed.
B) mediate interactions between the cell and outside agents.
C) provide channels for facilitated diffusion.
D) provide channels for active transport.
E) act as energy sources for active transport.
Correct Answer:

Verified
Correct Answer:
Verified
Q50: Which molecule is not a fatty acid?<br>A)CH<sub>3</sub>(CH<sub>2</sub>)<sub>14</sub>COOH<br>B)CH<sub>3</sub>CH<sub>2</sub>(CH=CHCH<sub>2</sub>)<sub>3</sub>(CH<sub>2</sub>)<sub>6</sub>COOH<br>C)(CH<sub>3</sub>)<sub>2</sub>CH(CH<sub>2</sub>)<sub>3</sub>COOH<br>D)CH<sub>3</sub>(CH<sub>2</sub>)<sub>7</sub>CH=CH(CH<sub>2</sub>)<sub>7</sub>COOH<br>E)none
Q51: Which substance will not be transported into
Q52: Phospholipids differ from fats and oils by
Q53: The chemical makeup of a wax is
Q54: Which molecule is a polyunsaturated fatty acid?<br>A)CH<sub>3</sub>(CH<sub>2</sub>)<sub>7</sub>CH=CH(CH<sub>2</sub>)<sub>7</sub>COOH<br>B)CH<sub>2</sub>=CHCH=CHCOOH<br>C)CH<sub>3</sub>CH<sub>2</sub>(CH=CHCH<sub>2</sub>)<sub>3</sub>(CH<sub>2</sub>)<sub>6</sub>COOH<br>D)HOOCCH<sub>2</sub>(CH=CHCH<sub>2</sub>)<sub>3</sub>CH<sub>2</sub>COOH<br>E)none
Q56: Which fatty acid composition will yield a
Q57: Cholesterol is implicated as a potential cause
Q58: The molecule shown can be classified as
Q59: When a lipid is hydrolyzed to form
Q60: Match the following.<br>-hydrophilic<br>A)describes the non-polar portion of