When DNA replication begins, _____

a. the two DNA strands unwind from each other
b. the two DNA strands condense for base transfers
c. two DNA molecules bond
d. old strands move to find new strands


A

Biology & Microbiology

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During sexual reproduction, cellular organelles containing genetic material do not undergo Mendelian segregation

A. true B. false

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Death of hair cells resulting from repeated exposure to loud noises is thought to be caused by metabolic "exhaustion" of these cells from continuous activation.

Answer the following statement true (T) or false (F)

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What tissue in vascular plants would be used to move sugars from the roots to the stems and leaves?

a. phloem b. sclerenchyma c. xylem d. parenchyma

Biology & Microbiology

Using the formula determine the original cell density in the sample: OCD = Number of CFU/Amount plated x dilution factor You counted 72 colonies on a plate in your dilution series. The plate was inoculated with 1.0ml from a 10^-4 test tube, what is the OCD?

What will be an ideal response?

Biology & Microbiology