On hot, dry days, what problem arises for C3
plants?
a. oxygen binds to rubisco’s active sites
preventing carbon fixation
b. with stomata open, they lose excessive
water
c. too much glucose is produced
d. carbon dioxide fixes to RuBP instead of
PGA
e. the electrons from water bind to ADP
instead of NADPH
A
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Which of the following explains why bulk transport allows for a larger body size to be attained?
A. All of these options are reasons why bulk transport allows for a larger body size. B. Bulk transport allows for nutrients to be transported over greater distances. C. Bulk transport allows for rapid communication between different parts of the body. D. Bulk transport allows for oxygen to reach interior cells that are located far from the surface of the body. E. Bulk transport allows for waste products to be removed more efficiently.
Experiments have shown that increased nitrogen deposition may affect the composition of
communities of ____ fungi.
a. mycorrhizal b. club c. parasitic d. all e. lichen
Put the following methods of contraception in order from most effective to least effective:1. hormone pill 2. female condom 3. spermicide 4. male condom
A. 3,2,4,1 B. 4,3,2,1 C. 1,4,2,3 D. 1,2,3,4 E. 2,3,4,1
Wings of birds and butterflies have similar functions, but different evolutionary origins. They are:
A. physiological structures. B. homologous structures. C. phylogenetic structures. D. analogous structures.