Development proceeds such that each successive group of genes that are expressed refine and narrow the pattern of differentiation generated by previous groups

A. true
B. false


A

Biology & Microbiology

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The most serious consequence of rubella is

A. encephalitis. B. meningitis. C. deafness. D. birth defects.

Biology & Microbiology

The grouping that would include the largest number of species is the 

A. genus. B. phylum. C. domain. D. order.

Biology & Microbiology

What is not true of RNA?

A.) it contains a different sugar than DNA B.) it is usually single stranded C.) it contains a different base than DNA D.) it cannot base pair with other nucleic acids

Biology & Microbiology

Activity of CDKs is mediated by:

a. cyclins b. checkpoints c. growth factors d. nuclear lamins e. receptors

Biology & Microbiology