The key structural difference between DNA and RNA is
A. RNA is a protein, while DNA is a nucleic acid.
B. RNA is a polymer, but DNA is not.
C. As their names indicate, DNA contains deoxyribose, whereas RNA contains ribose. Thus, DNA contains a different sugar than RNA.
D. RNA is a double helix, but DNA is not.
E. All the bases in DNA differ from those in RNA.
C. As their names indicate, DNA contains deoxyribose, whereas RNA contains ribose. Thus, DNA contains a different sugar than RNA.
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What process typically regulates the enzymes involved in metabolic reactions?
a. entropy capture b. ATP blockage c. feedback inhibition d. substrate inhibition
When Hershey and Chase labeled phage with radioactive phosphorus, they concluded that the phage injects its DNA, not protein, into its host. These conclusions were based on the observation that the radioactive DNA ended up where?
What will be an ideal response?
The amount of available energy that can be used to do work is called
A. enthalpy. B. heat. C. free energy. D. entropy. E. kinetic energy.
__________ are needed in the diet as components of teeth and bone, as parts of certain enzymes, for normal muscle and nerve function, and for water balance.
a. Starches b. Fats c. Minerals d. Nucleic acids e. Vitamins