In DNA molecules,
a. the nucleotides are arranged in a linear,
unbranched pattern.
b. the nitrogenous bases are found on the
outside of the molecule.
c. the phosphate-sugar pattern runs the same
way on each DNA strand.
d. the backbone is internal to the molecule.
e. the pairing of bases is non-specific
A
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A. two B. many C. four D. five E. one
Which of the following acts to remove overtwisting and strain ahead of the replication fork during
DNA replication?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase
The scientist who proposed that populations would outgrow its resources was ____
a. Malthus b. Crick c. Watson d. Darwin e. Smith
________ cultures are pure cultures, consisting of a single species.
Fill in the blank(s) with the appropriate word(s).