The simplest cells are the:
A. prokaryotic bacteria
B. animal cells
C. cells of fungi
D. eukaryotic bacteria
Answer: A
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Do only plants have vacuoles?
A. Yes, only plants cells have vacuoles. B. No, bacteria also contain vacuoles that serve the same function C. No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions. D. No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells.
Which of the following would be LEAST likely to affect osmosis in plants?
A) temperature B) a difference in solute concentrations C) receptor proteins in the membrane D) aquaporins E) a difference in water potential
Which of the following is a function of the myelin sheath?
Increases the rate of conduction of a nerve impulse Moves sodium and potassium ions by active transport Protects the dendrites of motor neurons All of the above
Which is mismatched?
A. H antigen - fimbriae B. K antigen - capsule C. O antigen - cell wall, somatic D. All of the choices are correct. E. None of the choices are correct.