Suppose a plant were grown in a nutrient solution containing all known essential elements except for a particular one
in question. This would be an application of:
a. agriculture.
b. mutualism.
c. weathering.
d. hydroponics.
e. salinization
d
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Which of the following protein-functional categories is mismatched?
A. hexokinase-metabolic enzyme B. tubulin-structural protein C. insulin-motor protein D. hemoglobin-transport protein E. antibodies-protective protein
DNA replication involves all of the following steps except
a. separation. b. joining. c. production of single-stranded DNA molecules. d. complementary base pairing. e. polymerization.
The hearts of a fetal pig and a human are similar in that they are
a. the primary pump of the circulatory system of the body. b. both four chambered. c. composed of cardiac muscle tissue. d. all of the above.
Test tube 4 contains _____
A) Paramecium B) Pfiesteria (dinoflagellate) C) Entamoeba D) Plasmodium