The flow of information in a cell proceeds in what sequence?
A. from DNA to protein to RNA
B. from RNA to DNA to protein
C. from DNA to RNA to protein
D. from protein to RNA to DNA
E. from RNA to protein to DNA
Ans: C. from DNA to RNA to protein
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Water loss from a terrestrial insect's surface is minimal due to which of the following structures?
A) chitin and the cuticle B) tracheae and spiracles C) a proteinaceous epidermis D) a long alimentary canal
Organisms containing DNA from an outside source are called
A. transcribed organisms. B. compound organisms. C. hybrid organisms. D. plasmid organisms. E. transgenic organisms.
While the gene encoding the small subunit of ribosomes was used to generate the universal tree of life,
many genes are inappropriate choices for this analysis because horizontal gene transfer has occurred for billions of years between the ancestors giving rise to all three domains. A. true B. false
The nontranscribed region of DNA to which RNA polymerase binds to initiate transcription is called the
A. operon. B. promoter. C. operator. D. intron. E. exon.