Which form of birth control is 100% effective?
A. natural family planning
B. hormone patch
C. birth control pills
D. abstinence
E. male condom
Answer: D
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A well-substantiated explanation of some aspect the natural world, based on a body of facts that have been repeatedly confirmed through observations and experiments, is referred to as a(n) ________.
A. hypothesis B. theory C. fact D. idea
Flowering is triggered by the production of _________, which triggers the transition of apical meristem to floral meristem
A. meristemogen B. florigen C. auxin D. gibberellin E. ethylene
The various techniques by which scientists manipulate DNA in the lab are termed ________.
A. genetic engineering B. biotechnology C. recombinant DNA D. gel electrophoresis E. gene probes
Which of the following is a result of glycolysis?
A) production of CO2 B) conversion of glucose to pyruvic acid C) a net loss of two ATPs per glucose molecule D) conversion of NADH to NAD+