Contractile vacuoles are
A) Used to expel excess water from cells
B) Found in bacterial cells
C) Important to certain organisms in hypertonic environments
D) Protein carriers in cell membranes
E) Used to bring solutes into a cell
Correct Answer:
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Q28: The movement of substances from higher to
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Q30: Nutrient absorption is mediated by the
A)Cell wall
B)Peptidoglycan
Q31: Organisms called _ live on or in
Q32: The use of energy by a cell
Q34: Diffusion of water through a semi permeable
Q35: Microorganisms that live in severe habitats, such
Q36: Bacteria living in a freshwater stream that
Q37: Halobacteria regulate osmotic pressure by
A)Releasing salt to
Q38: Which of the following require the cell
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