Polymerases also have nuclease activities. Which of the following is not a use for the nuclease activities of DNA polymerase I?

A. proofreading during synthesis
B. trimming single-stranded ends
C. removal of RNA primers
D. degradation of viral DNAs
E. removal of DNA lesions during repair


D

Biology & Microbiology

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The body cavity type for arthropods and mollusk can best be described as _____

A) a coelom B) a pseudocoelom C) a reduced coelom D) no coelom

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Experiments have shown that even if it is supplied by no other means, plants near the ocean can get enough of the

essential micronutrient ____ from the air, and plants can also get this essential micronutrient from sweat from a person’s hands.

a. sulfur b. manganese c. chlorine d. magnesium e. sodium

Biology & Microbiology

What am I? I have a jointed hollow stem with reduced megaphylls

a. moss b. horsetail c. club moss d. whisk fern e. hornwort

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In analyzing data for crosses involving one gene, Mendel discovered that alleles are discrete entities, and that they are separated during formation of gametes. This was the basis of Mendel's law of ________

Fill in the blank with correct word.

Biology & Microbiology