Multiple Choice
Which statement about membrane proteins is not true?
A) They all extend from one side of the membrane to the other.
B) Some serve as channels for ions to cross the membrane.
C) Many are free to migrate laterally within the membrane.
D) Their position in the membrane is determined by their tertiary structure.
E) Some play roles in photosynthesis.
Correct Answer:
Verified
Correct Answer:
Verified
Q54: Biological membranes are composed of a continuous
Q55: Which type of membrane protein would likely
Q56: The rate of diffusion can be affected
Q57: In addition to the bilayer lipids and
Q58: Bacterial cells are often found in very
Q60: Active transport differs from passive transport in
Q61: Specialized channel proteins called connexons occur in<br>A)
Q62: You are studying how the protein transferrin
Q63: Which of the following statements about the
Q64: The sodium-potassium pump of cell membranes is