What type of bond is formed by dehydration synthesis between two amino acids?
A. Phosphate
B. Disulfide
C. Ester
D. Glycosidic
E. Peptide
Answer: E
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Which scientific name for the wolf is presented correctly?
(a) Canis lupus. (b) canis lupus. (c) Canis lupus. (d) Canis Lupus.
Which of the following is not true of hydrocarbons?
A) Octane is a hydrocarbon. B) Hydrocarbons are insoluble in water. C) Many hydrocarbons are used in living systems. D) Only hydrogen atoms are used to complete the valence requirements of carbon. E) Phospholipids have hydrocarbon tails.
Which of the following is NOT a morphogen?
A. Activin B. Noggin C. proteins D. Cadherin E. protein produced by Spemann's organizer (dorsal lip of a gastrula)
Which of the following will disrupt Hardy-Weinberg equilibrium the least?
a. directional selection b. stabilizing selection c. migration d. reduction to a small population size e. non-random mating