How do A-B toxins function?
A) The B domain binds to a target cell receptor, while the A domain has a specific function.
B) The B domain acts as a neurotoxin, while the A domain acts as a cytotoxin.
C) They bind to the membrane of the host cell, creating a pore.
D) The A domain binds to a target cell receptor, while the B domain has a specific function.
Ans: A) The B domain binds to a target cell receptor, while the A domain has a specific function.
You might also like to view...
HIV affects
a. the human reproductive system. b. the human circulatory system. c. the human respiratory system. d. the human immune system. e. the human digestive system
The synthesis of thyroid hormone requires ____
a. sodium b. calcium c. iodide d. phosphate e. potassium
A child falls and suffers a deep cut on her leg. The cut went through her skin and she is bleeding. Which of the following defense mechanisms will participate in eliminating contaminating microbes?
A) mucociliary escalator B) normal skin flora C) phagocytosis in the inflammatory response D) acidic skin secretions E) lysozyme
Which of the following diseases is NOT caused by an airborne virus?
a. chicken pox b. measles c. mumps d. scarlet fever