Which of the following might an ecologist study?
A) general nature of digestive enzymes of deer
B) genetics of mosquitoes
C) function of the immune system in human populations
D) effects of increasing carbon dioxide on forest growth
Answer: D
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E. corrodens can be easily recognized in culture by its:
a. pink pigmentation. b. grapelike odor. c. large spreading colonial morphologic characteristic. d. bleachlike odor.
In his experiments, Anfinsen treated a protein with a chemical that broke disulfide bonds and then removed the
chemical to see how this would affect the function of the molecule. What did he conclude from these experiments?
a. The information for determining the three-dimensional shape of ribonuclease lies in its amino acid sequence. b. The disulfide bonds are essential for quaternary, but not tertiary, protein structure. c. Protein conformation is maintained when disulfide bonds are disrupted. d. Altering the three-dimensional shape of the protein is irreversible. e. Disulfide bonds are unnecessary for proper protein function.
The genus of pathogenic cocci responsible for a wide range of human disease and whose members grow in chains is (Staphylococcus/Streptococcus/Enterococcus)
What will be an ideal response?
Chromosomes are replicated during the ______ phase.
A. G1 B. G2 C. S D. M E. meta-