What plant group includes almost all agricultural plants?
A) angiosperms
B) gymnosperms
C) legumes
D) dicots
A
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Identify the prokaryotic organism from the list below.
A. Fungus B. Bacteria C. Protist D. Animal
Vectors such as pUC18 and others of the pUC series contain a large number of restriction enzyme sites clustered in one region. Which term describes this advantageous arrangement of restriction sites?
A) multiple cloning site B) ?-galactosidase C) complementation D) palindrome E) consensus sequence
In a human cell,
a. one enzyme usually catalyzes no more than five different chemical reactions. b. nearly all chemical reactions are catalyzed by enzymes. c. enzymes have to be constantly replaced as they are used up in the reactions that they catalyze. d. some enzymes are specialized to store activation energy.
Scientists observing coral-reef communities have noted declines in coral reefs in regions that have both agricultural runoff and rising water temperatures. What are the possible reasons for these observations?
What will be an ideal response?