Reverse transcriptase is an enzyme found in association with retroviral activity. It has the property of ________

A) synthesis of DNA from an RNA template
B) requiring no template
C) most lysozymes
D) synthesis of RNA from a DNA template
E) translation


Answer: A

Biology & Microbiology

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Which of the following are heterotrophic eukaryotes with a cell wall?

a. ferns b. mosses c. mushrooms d. orchids

Biology & Microbiology

The virus structure indicated by the arrow labeled A is the


Use the labeled arrows to answer questions related to these five viruses.
A. genetic material, DNA or RNA.
B. the bacteriophage.
C. the bacterial membrane.
D. the lipid-rich envelope.
E. the protein coat, or capsid.

Biology & Microbiology

The organism shown above is using which of the

following types of reproduction? a. asexual budding b. sexual production of eggs c. hermaphroditic co-fertilization d. a combination of all three e. none of these

Biology & Microbiology

At a conference, the speaker's grand finale was sautéing mealworms (insect larvae) in butter and serving them to the audience. They were crunchy (like popcorn hulls) because their exoskeletons contain the polysaccharide _____.

A. collagen B. cellulose C. linoleic acid D. chitin

Biology & Microbiology