Which of the following is both a codon for an amino acid and a start signal?
A) AAA
B) AUG
C) UAG
D) GAU
E) UGA
B
Biology & Microbiology
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In an F+ × F? conjugation, the donor is the ________ strain.
A. F? B. neither F+ nor F? (there is no exchange) C. F+ D. both F+ and F? (it is a reciprocal exchange)
Biology & Microbiology
A glycerol with three fatty acids attached is referred to as a ________
A) prostaglandin B) nucleic acid C) steroid D) fat
Biology & Microbiology
The fact that all living things are composed of the same types of molecules is an example of which type of evidence for evolution?
Biology & Microbiology
Life today derives nearly all its energy from ____
a. glucose molecules b. the sun c. hydrothermal vents d. geochemical activity e. radioactive decay
Biology & Microbiology