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Jul
27

“If a plant does not have enough water to open it guard cells, how would this affect its rate of transpiration?

posted by admin in Biology
comments (1)


In your answer of one or two well-developed paragraphs, discuss the following:

* the guard cells’ role in transpiration
* what effect this would have on the stomata
* how this would affect the overall transpiration rate

Jul
15

Which situation is not an example of the maintenance of a dynamic equilibrium in an organism?

posted by admin in Biology
comments (3)


a. a runner perspires while running a race on a hot summer day
b. the release of insulin lowers the blood sugar level in a human after eating a big meal
c. guard cells contribute to the regulation of water content in a geranium plant
d. water passes into an animal cell causing it to swell

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