Which of the following is a function of reverse transcriptase?
A. It functions as a ribonuclease to degrade the viral RNA once it has been copied into DNA
B. It functions as a DNA-dependent DNA polymerase
C. It functions as a RNA-dependent DNA polymerase
D. All of these are functions of reverse transcriptase.
Answer: D
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The enzyme used by retroviruses to make a DNA copy of their RNA genome is called
A. RNA polymerase. B. reverse transcriptase. C. DNA polymerase. D. RNA replicase.
Who demonstrated the crossover of homologous chromosomes in experiments on corn plants?
a. Frans Janssen and Curt Stern b. Thomas Hunt Morgan and Alfred Sturtevant c. Harriet Creighton and Barbara McClintock d. Walter Sutton and Theodor Boveri
Four of the five answers listed below are the results of fertilization. Select the exception
a. fruit b. seed c. embryo d. pollen e. endosperm
Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under aerobic conditions?
a. 1 b. 2 c. 32 d. 34 e. 36