The most important finding from the fossil record which supports the theory of evolution is:

a. that life has evolved over time.
b. that life evolved in the ocean.
c. that most species are extinct.
d. that ancient species differed from those alive today.
e. the inaccuracy of the fossil record.


A

Biology & Microbiology

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In gene expression, ________

A) DNA directs the synthesis of a polypeptide that directs the synthesis of RNA B) RNA determines the sequence of DNA, which directs the synthesis of polypeptides C) DNA directs the synthesis of RNA that directs the synthesis of a polypeptide D) polypeptides direct the synthesis for both RNA and DNA

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Following double fertilization, the ovule develops into __________, and the ovary develops into

__________. a. a cotyledon; an embryo b. an embryo; a seed c. a seed; a fruit d. a fruit; a seed e. an endosperm; an embryo

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If two alleles exist for a characteristic (A and a) and allele 'a' is lethal in homozygous individuals, 

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Biology & Microbiology