Boron is a micronutrient that is needed by plants for:
A. active transport of other minerals
B. building membranes
C. production of amino acids
D. cross-linking polysaccharides in cell walls
E. cell wall development
D. cross-linking polysaccharides in cell walls
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Fungi generally digest large organic molecules ____
a. in special compartments called arbuscules b. within feeding hyphae c. in visible mushrooms d. in special compartments called haustoria e. outside of their cells
Although an "obvious" extension of evolutionary theory, evolution does not address
A. the roles of mutations in evolution. B. which genotypes are inherited by each offspring from its parents. C. what variations are in each gene pool. D. All of the answer choices are correct. E. how life began.
One of the focuses of conservation biology is changing human behavior.
a. true b. false
In the disease elephantiasis, lymph vessels become blocked as a result of infection with parasitic worms. Which of the following processes would be impacted by this disease?
A. the return of excess interstitial fluid to the
bloodstream
B. the diffusion of water and small molecules
across the wall of the capillary
C. the flow of water back into the capillaries
by osmosis
D. the generation of pressure to filter
materials through the capillary walls
E. the exchange of oxygen and other
materials between the blood and body cells