Chemistry, 08.01.2021 14:00 aileenf598
3. When substances cross cell membranes by simple diffusion, they
a. squeeze between phospholipid molecules.
b. have help from channel proteins.
C. move from a higher to lower concentration.
d. two of the above
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Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table
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What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
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3. When substances cross cell membranes by simple diffusion, they
a. squeeze between phospholipid m...
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