Produce long-distance water and sugar transport | Homework Help

1.Which of the following would be least likely to produce long-distance water and sugar transport (bulk flow) in plants?

a) negative pressure potential b) positive pressure potential c) transpiration d) diffusion assisted by aquaporins

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2.All of the following are adaptations that help reduce water loss from a plant EXCEPT:

a) transpiration b) waxy coatings of the dermal tissue c) CAM photosynthesis d) thickened epidermis tissue

3.Which of the following is a source of nitrogen that is available to plants only if microbial activity “fixes” it (converts it to another form)?

a) ammonium (NH4+) b) nitrogen gas (N2) c) nitrate (NO3-) d) none of the above

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