Unlike the cell membrane, the cell wall is
A. found in all organisms
B. composed of a lipid bilayer
C. selectively permeable
D. a rigid structure
Ans: D. a rigid structure
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What will be an ideal response?
Marine biology is: a. the exact same field of study as oceanography
b. the study of living organisms that reside in the seas and oceans. c. a combination of many science disciplines. d. the study of the oceans and their associated phenomena.
The phrase all-or-none response describes a neuron-generated action potential. Explain what is meant by this phrase
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You are examining a new animal species. You find that you can pass a line through any longitudinal plane and find equal halves. Evaluate the symmetry of this animal.
A. bilateral. B. radial. C. spherical.