The sugars in DNA and RNA ____.
A. have a different number of carbon atoms
B. have the same structural formulas
C. are the two components of sucrose
D. have different numbers of oxygen atoms
E. are disaccharides
Answer: D
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Konrad Lorenz taught ducks to behave as though he were their mother by providing the appropriate stimulus during a sensitive period. This form of learning is called
A) classical conditioning. B) fixed action behavior. C) altruism. D) habituation. E) imprinting.
The latent phase in the viral growth curve and the lag phase of the bacterial growth curve are equivalent and represent the time it takes for the virus or bacterium to adapt to the culture conditions and begin growing
Indicate whether the statement is true or false.
When a large portion of a population’s gene pool is suddenly wiped out due to a natural disaster, what is this called?
a. gene flow b. founder effect c. bottleneck effect d. natural reduction in alleles
A DNA plasmid encoding a protein antigen from West Nile virus is injected into muscle cells of a horse. This is an example of a(n)
A) subunit vaccine. B) conjugated vaccine. C) nucleic acid vaccine. D) attenuated whole-agent vaccine. E) live whole-agent vaccine.