What type of test is a CEA test?
A. self-examination
B. a type of cervical cancer test
C. a type of prostate cancer test
D. a tumor marker test
E. a genetic test
Answer: D
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Moves in the genome through an RNA intermediate
Match the description with the appropriate term.
Which of the following statements concerning enzymes is FALSE?
A) They are usually, but not always, proteins. B) They always function best at 37°C. C) They can be denatured if the pH of their environment is too high or too low. D) They form a temporary intermediate compound with a substrate. E) They can be used to catalyze a chemical reaction over and over again.
Translation occurs in _____.
A) the nucleus B) a DNA molecule C) a ribosome D) a tRNA molecule
Preservation of traditional agroforestry systems offers which of these ecosystem services?
A. Regulation of climate B. Soil and water conservation C. Carbon sequestration D. Habitat for animals E. All of these