Which of the following is NOT true about
enzymatic regulatory molecules?
a. they allow an enzyme to catalyze many,
diverse reactions.
b. they may cause the enzyme to change its
overall shape.
c. they may enhance the activity of an
enzyme.
d. they may inhibit the activity of an enzyme.
e. they may bind directly to an enzyme’s
active site.
A
You might also like to view...
Which of the following statements is true?
A. Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation. B. Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis. C. Glucose is a product of aerobic respiration; lactic acid is a product of anaerobic respiration. D. Oxidation is the loss of electrons; reduction is the gain of electrons.
The adhesion step in extravasation is most likely to be mediated by:
A. integrin proteins. B. cell wall proteins. C. collagen. D. keratin.
How did the eukaryotic nucleus arise?
a. through the uptake of the cell's genome by a membrane organelle already present in the cell b. through cytoplasmic diffusion c. through an endosymbiotic relationship with a bacteria d. through infoldings of the cell's plasma membrane e. through formation of a new internal membrane by the eurkaryotic cell
As sperm are produced, they go through several stages. Which one of the following stages develops directly into mature motile sperm?
A) primary spermatocytes B) spermatogonia C) spermatids D) secondary spermatocytes E) Sertoli cells