Bio quiz 3
If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-3',
what will be the sequence of the matching strand?
If a DNA double helix is 100 nucleotide pairs long and contains 25
adenine bases, how many guanine bases does it contain?
The two strands of a DNA double helix are held together by _____
that form between pairs of nitrogenous bases.
A nucleotide is composed of a(n) _____.
phosphate group, a nitrogen-containing base, and a five-
Where is DNA found in cells?
In the chromosomes
A patient has an infection of
bacteria. She takes
azithromycin, which kills off 99% of a bacterial population. All
surviving bacteria are resistant to azithromycin. What has occurred
in this bacterial population?
Although diarrhea and vomiting help expel invading pathogenic
bacteria, they have an adverse effect. What is it?
They deplete the body's water supply.
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