Agglutination by the anti-A and anti-B antibodies will be expressed as the blood type ________.
a. None of these choices
b. B
c. AB
d. A
e. O
c
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Which of the following LEAST belongs with the others?
A. thymine dimer B. UvrA protein C. direct repair D. nucleotide excision repair E. UvrC protein
Using the information presented in the figure above, where nuclear DNA was digested with MstII,
subjected to gel electrophoresis, and probed in a Southern blot with the indicated probe, which lane shows an individual that is heterozygous for sickle cell?
a. 1 b. 2 c. 3 d. 4 e. 5
Which of these organisms is semalparous?
A. humans B. oak trees C. bears D. dogs E. agave plants
Viruses contain DNA or RNA, but lack genes necessary for metabolism and reproduction. Why are viruses not considered to be alive?
A. Viruses are unable to reproduce independently of a host. B. Viruses do not contain nucleic acids. C. Viruses do not contain internal organelles. D. Viruses do not have the ability to evolve in their environment.