Which statement is true?
a. Translation cannot proceed until eIF-2 is phosphorylated.
b. eIF4F bonds to the 40S ribosome after GTP is hydrolyzed.
c. Phosphorylation of a protein can alter RNA stability.
d. GTP bonds to the 5’ cap of the mRNA during translation.
c. Phosphorylation of a protein can alter RNA stability.
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In radishes, red and white are the pure-breeding
colors, and long and round are the pure-breeding shapes, while the hybrids are purple and oval. The cross of a red, long radish and a white, round radish will produce an F1 generation of what phenotype? a. all long, red radishes b. all long, white radishes c. all long, purple radishes d. all round, purple radishes e. none of these
Which one of the following is an example of "gene pharming"?
A) the production of human insulin by E. coli B) the production of beta carotene in golden rice C) the production of goat milk that contains human antithrombin III protein D) the production of HBV vaccines in yeast
Light-dependent reactions generate
A. glucose. B. ATP and NADPH. C. light. D. NADP+. E. CO2.
Which of the following is considered to be most closely related to plants?
A) Diatoms B) Brown algae C) Slime molds D) Green algae E) Euglenids