The adaptation that allows insects to blend into the background might be represented by:
A. the grass in a yard.
B. the color of a building.
C. the instar of grasshoppers.
D. the leaves on a tree.
E. tinted windows in a car.
B
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How are the ATP and NADPH molecules (made during the light-dependent reactions) used in the conversion of PGA to PGAL in the Calvin Benson cycle?
a. ATP donates a phosphate group and NADPH donate electrons and hydrogen. b. ATP and NADPH both donate phosphate groups. c. ATP provides electrons and NADPH provides a phosphate group. d. ATP provides a carbon source and NADPH donates electrons and hydrogen. e. ATP donates a phosphate group and NADPH provides a carbon source.
What two atoms are found in all organic
compounds?
a. carbon and hydrogen b. carbon and oxygen c. oxygen and hydrogen d. carbon and phosphorous e. oxygen and sulfur
Most genes come in alternative forms called
a) dominants b) recessives c) alleles d) chromosomes e) gametes
In the classic study by Harris et al. (1933), when thiamine-deficient rats were offered 10 new diets, only one of which contained the badly needed thiamine...
(a) all of them developed an immediate preference for the thiamine-rich diet (b) almost all of them learned to eat the thiamine-rich diet and avoid the deficient diets (c) they were equally likely to eat each of the 10 new diets (d) few developed a preference for the thiamine-rich diet