Sea creatures which are adapted to life at the bottom of the ocean reside ____.
A. in the pelagic zone
B. in the intertidal zone
C. in the neritic zone
D. near hydrothermal vents
E. in the benthic province
Answer: E
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RNA is formed by the process of _____________
A. transcription B. translation C. both transcription and translation D. None of the answers are correct
How do steroid hormones differ from those derived from amino acids?
a. steroid hormones are not derived from organic molecules b. steroid hormones do not bind to plasma membrane receptors c. steroid hormones use a second messenger system
d. steroid hormones do not travel in the blood e. steroid hormones do not require receptors to function
The major challenge in using adult DNA in the
cloning process is a. purifying the DNA. b. inserting the DNA into cells. c. reprogramming it to function like the DNA of an egg d. turning off unnecessary genes. e. determining what DNA is best to use.
Which test provides the earliest indication of genetic problems in a fetus?
A. Amniocentesis B. Chorionic villus sampling C. Both provide reliable indications at the same stage of development