What process or enzyme was used for Step 1 in the accompanying figure?
a. PCR
b. a bacteriophage
c. a reverse transcriptase
d. a DNA ligase
e. a restriction enzyme
e
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Unlike the leading strand, ______________ are made in replicating the lagging strand of DNA.
A. primers B. nucleases C. Okazaki fragments D. pyrophosphates E. DNA polymerases
Because sons adopted by alcoholic men show a rate of alcoholism more like that of their biological father, there is an argument for the role of genetic factors in this disease
a. True b. False Indicate whether the statement is true or false
The digestion of starches begins in which structure of the digestive tract?
a. esophagus b. large intestine c. mouth d. small intestine e. stomach
Darwin better understood the mechanism for natural selection after he read a book by ________ on the rate of growth of populations.
A. Charles Lyell B. Thomas Malthus C. Alfred Wallace D. Jean Lamarck