A sample of double stranded DNA was found to have a guanine content of 18%. What is the percentage of adenine in this DNA?
a. 18%
b. 64%
c. 36%
d. 32%
Ans: d. 32%
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A) calcium ions B) glucose C) water D) amino acids E) DNA
There are five stages of growth in an open system of culture
Indicate whether this statement is true or false.
What two factors are associated with a decline in fast-twitch muscles?
What will be an ideal response?
A mutation in the gene encoding the enzyme that cuts F factor DNA during conjugation would result in
A. an inability to draw the conjugated cells close enough to allow DNA transfer. B. the inability of the recipient cell to replicate the F factor after transfer. C. the transfer of single-stranded DNA instead of double-stranded DNA. D. an inability to separate the recipient DNA from the donor DNA. E. the inability of the donor DNA to move through the pilus.