The information in DNA is copied into molecules of ____
a. RNA
b. carbohydrates
c. lipid
d. oxygen
e. hydrogen peroxide
a
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If a 1n egg is fertilized by a n-l sperm, the
resulting zygote will have
a. the chromosome number 2n?1. b. a chromosome without its homologue. c. a condition called monosomy. d. a genetic disorder. e. all of these conditions
Synthesis of a protein from an mRNA molecule is called ________
A) transcription B) translation C) transformation D) polymerization E) polyadenylation
What effect do high frequency sounds tend to have on the ear?
A. Only move the tectorial membrane B. Move only the apex portion of the basilar membrane C. Move only the portion of the basilar membrane between the basal portion and the apex D. Move only the basal portion of the basilar membrane E. Displace the whole length of the basilar membrane with a maximum near the apex
A scientist wants to perform a test that will indicate whether a nucleic acid sample is composed of RNA or DNA. Testing for the presence of which of the following is most appropriate in this situation?
A) phosphate B) nitrogen C) guanine D) uracil E) thymine