The first amino acid in a growing polypeptide chain is _____
a. methionine
b. valine
c. lysine
d. phenylalanine
e. glycine
ANSWER: a
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Corynebacterium glutamicum is used to produce glutamic acid, and this is most successful when the cell permeability is ________.
A. not changed B. increased C. isotonic D. decreased
A toothed, biting structure found in the mouths of sea urchins that is used for rasping algae is called:
a. a tube foot. b. Aristotle's lantern. c. a pedicellaria. d. an ambulacral groove. e. a dermal denticle.
The energy-requiring process by which liquid water becomes water vapor (a gas) is
A. All of the answer choices are correct. B. sublimation. C. condensation. D. evaporation. E. convection.
What are the three conditions that must be met in order for natural selection to occur? Briefly describe why these conditions are necessary components of natural selection
What will be an ideal response?