Which of the following eukaryotic RNA polymerases is responsible for transcribing nearly all protein-coding genes?

A. RNA polymerase I
B. RNA polymerase II
C. RNA polymerase III
D. RNA polymerase IV
E. a complex of RNA polymerase II and III


B

Biology & Microbiology

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a. True b. False Indicate whether the statement is true or false

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Four of the five answers listed below are

members of the same group. Select the EXCEPTION.

a. amoeba b. clostridium c. euglena d. water molds e. ciliates

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Which is an advantage(s) of a more complex form of metamorphosis where an adult is very different from the larvae?

a. This would allow an insect species to exploit two different food sources b. An insect could evade a predator specialized for one stage c. It allows an insect to overwinter in resistant stage d. All of the choices are advantages e. None of the choices are correct

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Prions are of significance because they cause infections of ________.

A. fungi B. domestic animals and humans C. prokaryotes D. plants

Biology & Microbiology