The enzyme that converts information stored in RNA to information stored in DNA is
A) DNA ligase.
B) reverse transcriptase.
C) a restriction enzyme.
D) RNA polymerase.
Answer: B
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Which one of the following statements about Pax6 and eye development is incorrect?
A. Binding of Pax6 protein to the cisregulatory elements of its target genes results in activation of some genes and repression of others. B. The specific program of eye development for a given species depends on the genes downstream of Pax6 in that species' genome. C. In the fruit fly, the total number of genes downstream of Pax6 that are needed for eye development is approximately 2000. D. Some of the genes influenced by Pax6 protein are activated or repressed indirectly by other transcription factors "turned on" by Pax6. E. The downstream target genes for Pax6 protein in different organisms are all very similar.
Four of the five answers listed below are anthropoids. Select the exception
a. tarsier b. Old World monkey c. human d. ape e. gorilla
Transcriptional control that acts by regulating the continuation of transcription is called:
A. antitermination. B. riboswitching. C. negative control. D. attenuation. E. operator mutation.
Which of the following bacterial cell structures plays an important role in the creation of biofilms?
A) glycocalyces B) flagella C) fimbriae D) pili E) both fimbriae and glycocalyces