During replication, which enzyme unwinds the DNA double helix?  

A.  DNA primase
B.  DNA polymerase I
C.  DNA helicase
D.  DNA gyrase
E.  DNA ligase


C.  DNA helicase

Biology & Microbiology

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A cinereous mourner bird’s chicks resemble the poisonous larvae of flannel moths. This is an example of____

a. aposematic coloration b. Müllerian mimicry c. competitive exclusion principle d. cryptic coloration e. Batesian mimicry

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What are the Biceps brachii attached to?

What will be an ideal response?

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The ____________________ consists of tissues that cover and protect the plant's exposed surfaces.

A. phloem B. ground tissue system C. dermal tissue system D. vascular tissue system E. sclerenchyma

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Compare the placement of eyes in an ostrich to that in an owl. What are the trade-offs in physical constraint that each faces?

What will be an ideal response?

Biology & Microbiology