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Question
The viral enzyme _________ causes the host cell to synthesize a double strand of DNA complementary to the viral RNA.
The viral enzyme _________ causes the host cell to synthesize a double strand of DNA complementary to the viral RNA.
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Solution
The correct option is B Reverse transcriptase
Unlike other DNA polymerases, reverse transcriptase (RT) is unique in that it is able to make a complimentary DNA strand from an RNA template. Reverse transciptases are usually found in retroviruses, which use RT to make a DNA copy of their own RNA genome, which is then incorporated into the host cell's genome. Zymase is an enzyme complex in yeasts that catalyzes the breakdown of sugar into alcohol and carbon dioxide.
Enterokinase is an enzyme produced by the mucosa of the small intestine. Its sole function is to activate trypsinogen to trypsin.Therefore, the correct answer is option B.
Unlike other DNA polymerases, reverse transcriptase (RT) is unique in that it is able to make a complimentary DNA strand from an RNA template. Reverse transciptases are usually found in retroviruses, which use RT to make a DNA copy of their own RNA genome, which is then incorporated into the host cell's genome.
Zymase is an enzyme complex in yeasts that catalyzes the breakdown of sugar into alcohol and carbon dioxide.
Enterokinase is an enzyme produced by the mucosa of the small intestine. Its sole function is to activate trypsinogen to trypsin.
Therefore, the correct answer is option B.
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