Members of the lineage ____ have a pair of shells that are hinged together. They close the shells
together by contraction of one or two adductor muscles.
a. Cephalopoda
b. Polyplacophora
c. Bivalvia
d. Gastropoda
e. Scaphopoda
C
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Blood serum contains cells and clotting proteins
Indicate whether the statement is true or false.
Food-borne pathogens are most commonly identified by
A. standard culture techniques. B. polymerase chain reaction (PCR). C. pulsed-field gel electrophoresis. D. None of the choices are correct.
Coenzyme A, which assists in the production of acetyl CoA during the citric acid cycle, is made from which of the following vitamins?
a. vitamin A b. vitamin B5 c. vitamin C d. vitamin D
The process of going from transcription to translation
a. explains the structural complexity of genes. b. describes the flow of genetic information. c. is based upon the role of proteins in controlling life. d. does not explain how genes function. e. explains evolution in terms of molecular biology.