In bacteria, fungi, and plants the high internal pressure generated by osmosis is counteracted by the mechanical strength of their

A. plasma membranes.
B. organelles.
C. cell walls.
D. cytoskeletons.


Answer: C

Biology & Microbiology

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If a restriction endonuclease cuts a linear DNA three times, how many fragments should there be after

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What organism is in a symbiotic relationship with zooxanthellae which use this organism's waste as nutrients?

a. Foraminiferans b. Choanoflagellates c. Dinoflagellates d. Radiolarians

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A cohort is ____

a. a group of individuals of the same species born during the same time interval b. any member of the same species c. a group of individuals with the same parents d. a group of individuals of the same sex e. any group of closely related individuals

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Which of these thermoregulation processes can be sustained for the longest period of time?

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