Which of the following is a protein made up of amino acids?
A) Uracil
B) RNA polymerase
C) Messenger RNA
D) DNA
E) Transfer RNA
B
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Infective and non-infective viruses may be distinguished by growth on MacConkey's agar
Indicate whether this statement is true or false.
The term reproductive isolation mechanism refers to
a. specific areas where males compete or display for females. b. the process by which sexual selection evolves within a population. c. a blockage of gene flow between populations. d. the inability of a species to continue reproduction. e. legal limits to procreation.
Which of the following is an example of imprinting?
A. Thumb-sucking in humans B. Salmon always returning to the stream in which they were raised C. Ducks learning to quack D. Defending a territory
A major genetic cause of emphysema is deficiency of the protein alpha-1 anti-trypsin (AAT). AAT is an enzyme that inhibits the activity of another protein. What protein is most likely the normally inhibited target of AAT?
A. hemocyanin B. myoglobin C. carbonic anhydrase D. hemoglobin E. elastin-specific protease F. collagen