The building blocks of nucleic acid molecules are called ___________.
A. nucleotides
B. polysaccharides
C. amino acids
D. DNA and RNA
A. nucleotides
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The most likely reason a metastatic tumor cell might lose its connection to the basal lamina would be:
A. a change in the composition of the basal lamina. B. the loss of integrin proteins from the cell's surface. C. a change in the type of integrin proteins present on the cell's surface. D. Answers b and c are both correct.
What strategy did Benzer use to perform intragenic mapping?
A. Infection of a cell with two different viruses that had mutations in the same gene could not result in a wild type virus by recombination B. Infection of a cell with two different viruses that had mutations in the same gene would result in a wild type virus by transduction C. Infection of a cell with two different viruses that had mutations in different genes could result in a wild type virus by recombination D. Infection of a cell with two different viruses that had mutations in the same gene could result in a wild type virus by recombination
Why are human testes in an external sac rather than in the abdominal cavity?
What will be an ideal response?
Compare and contrast synthesis reactions with decomposition reactions
What will be an ideal response?