Which of the following choices correctly describes the co...
Which of the following choices correctly describes the composition of the cell membrane?
contains only lipids
contains lipids and protein
contains lipids and cytosol
contains only proteins
Correct answer is B
It consists of a lipid bi-layer with embedded proteins. The basic function of the cell membrane is to protect the cell from its surroundings.
The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules.
The organelle responsible for the transportation of substances within the cell is ...
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The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain? ...
A mixture of blood with antigen A and blood containing antibody A will ...