Which of the following is not a mechanical vector?
A.
Fomite
B.
Human
C.
Fly
D.
Flea
E.
Fomite AND human
A
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Methanogenesis is coupled with proton motive force formation and ATP synthesis through the activity of ATPases
Indicate whether the statement is true or false.
What will happen to a child that is fed formula instead of breast milk?
A. The child will not receive any antibodies from the mother. B. The child can never develop certain antibodies. C. The child will receive less antibodies from the mother. D. The child will never have passive immunity.
What are on the surface of most vertebrate cells, acting as markers of "self"?
A. major histocompatibility complex proteins B. T-cell receptors C. antigens D. immunoglobulins
Why are receptors on the cell surface necessary for bacterial movement?
a. The receptors actually spin the flagella. b. The receptors sense the stimulus and send signals to the flagella. c. The bacterium contains receptors that are sensitive to light. d. The receptors physically alter shape to steer the bacterium.