Detritus specifically includes:
a. exclusively organic wastes
b. exclusively toxic materials
c. small bits of decaying organic matter
d. living bacteria and fungi
e. toxic wastes and small bits of decaying organic matter
c
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Continued stimulation of a receptor may lead to a
diminished response and is called __________. Fill in the blank(s) with the appropriate word(s).
Four of the five habits listed below are common in
desert rodents. Select the exception. a. spend time in shade b. spend daytime hours in underground burrows c. active mainly at night d. generate less heat during day e. spend nighttime sleeping
The alkylating agent nitrosoguanidine adds methyl groups to nucleotide bases and is repaired by which enzyme that removes the added methyl group and restores nucleotides to their normal form?
What will be an ideal response?
Which of the following does NOT occur during the Calvin cycle?
A) oxidation of NADPH B) release of oxygen C) regeneration of the CO2 acceptor D) consumption of ATP