Biology, 12.11.2020 20:10 cschellfamily
4. Which of the following best explains how molecules such as O, and CO, can move across
the membrane of a cell?
A. The majority of the cell membrane contains protein channels that allow this type of
molecule into the cell.
B. The majority of the cell membrane is nonpolar, which allows small, nonpolar
molecules to freely cross.
C. The phospholipids of the membrane are tightly packed, so only small molecules and
ions can fit between phospholipids
Answers: 2
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Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.
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4. Which of the following best explains how molecules such as O, and CO, can move across
the membra...
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