1 h
2 e
3 g
4 l
5 b
6 k
7 c
8 a
9 j
10 i
11 f
12 d
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Although the work seems fancy, exocytosis is the just the release of substances from a cell with a vesicle. One situation may be the release of enzymes. Other situations are the releasing of neurotransmitters or exocytosis to add glycoproteins to the cell membrane.
Answer:
Large quantities of water molecules constantly move across cell membranes by simple diffusion, often facilitated by movement through membrane proteins, including aquaporins. In general, net movement of water into or out of cells is negligible. For example, it has been estimated that an amount of water equivalent to roughly 100 times the volume of the cell diffuses across the red blood cell membrane every second; the cell doesn't lose or gain water because equal amounts go in and out. There are, however, many cases in which net flow of water occurs across cell membranes and sheets of cells. An example of great importance to you is the secretion of and absorption of water in your small intestine. In such situations, water still moves across membranes by simple diffusion, but the process is important enough to warrant a distinct name - osmosis.
Explanation:
B is absolutely correct answer.
