The major problem with polymerase chain reaction is:
a. keeping the DNA strands intact.
b. that it works on only some DNA sequences.
c. that the amplified product is often degraded.
d. that it is too slow.
e. contamination.
E
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Helicobacter pylori is responsible for ________.
A. pneumonia B. dysentery C. cholera D. peptic ulcer disease
Which of the following might a genetic counselor do as part of her job?
A) Order prenatal tests, interpret the results, and then deliver the baby B) Order a lipid profile, interpret the results, then prescribe a statin drug if cholesterol levels are unhealthy C) Require a patient to take a test for hereditary colon cancer D) Explain the inheritance of a specific disorder in a family, evaluate risks for relatives, and advise on genetic testing
Four of the five answers listed below are related by a common tissue type. Select the exception
a. adipose b. bone c. cartilage d. blood e. muscle
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
a. Plantae b. Protista c. Fungi d. Animalia e. All of these are approximately equivalently diverse.