Biochemistry - Membrane Structure and Functions

Exercise : Membrane Structure and Functions - Section 1
  • Membrane Structure and Functions - Section 1
1.
Cholesterol is somewhat amphipathic due to
the single hydroxyl along with the hydrocarbon nature of the remainder of the molecule
the long branched hydrocarbon along with the four hydrocarbon rings
the five-methyl groups along with the hydrocarbon chain
the three six-membered rings along with the single five-membered ring
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Bacteriorhodopsin
absorbs light and pumps protons
is an integral membrane protein
contains primarily alpha-helical residues
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
In active transport, the membrane structure that functions is
cholesterol
integral proteins
carbohydrates
hydrophobic molecules
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Cholesterol is essential for normal membrane functions because it
plugs up the cardiac arteries of older men
cannot be made by higher organisms
keeps membranes fluid.
spans the thickness of the bilayer
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
The model that is now known to be correct for the structure of biological membrane is
Fluid mosaic model
Page's model
Lac Operon model
Lock and Key model
Answer: Option
Explanation:
No answer description is available. Let's discuss.