Water passes quickly through cell membranes because A. The bilayer is hydrophili
ID: 135542 • Letter: W
Question
Water passes quickly through cell membranes because A. The bilayer is hydrophilic. B. It moves through hydrophobic channels. C. Water movement is tied to ATP hydrolysis. D. It is a small, polar, charged molecule. E. It moves through aquaporins in the membrane. 37. A. Cytosol B. Electron transport chain C. Outer membrane D. Inner membrane E. Mitochondrial matrix Where is ATP synthase located in the mitochondrion? 38· Which of the following is characterized by a cell releasing a signal molecule into the environment, followed by a number of cells in the immediate vicinity responding? A. Hormonal signaling B. Autocrine signaling C. Paracrine signaling D. Endocrine signaling E. Synaptic signaling Hydrolytic enzymes must be segregated and packaged to prevent general destruction of cellular components. Which of the following organelles contains these hydrolytic enzymes in animal cells? 39. A. Chloroplast B. Lysosome C. Central vacuole D. Peroxisome E. Glyoxysome Which of the following produces and modifies polysaccharides that will be secreted? 40. A. Mitochondrion B. Golgi apparatus C. Vacuole D. Smooth ER E. Peroxisome 41 In yeast signal transduction, the yeast cells A. Must physically and directly interact. B. Produce signal molecules that change themselves so they can interact with one another. C. Produce response molecules that diffuse to other yeast cells. D. Secrete molecules that result in response by other yeast cells. E. Mate, after which the new cells secrete hybrid signals.Explanation / Answer
Answer:
36
Water passes quickly through cell membrane because it moves through aquaporins in the membrane.
Hence,option (e) is correct answer.
37.
ATP synthase is located in the inner mitochondrial membrane.
Hence,option (d) is correct answer.
38.
Paracrine signalling is characterized by a cell releasing a signal molecule into the environment, followed by a number of cells in the immediate vicinity responding.
Hence,option (c) is correct answer.
39.
Lysosomes in animals contains hydrolytic enzymes.
Hence,option (b) is correct answer.
40.
Golgi apparatus produces and modifies polysaccharides that will be secreted.
Hence, option(B) is correct answer.
41.
In yeast signal transduction,the yeast cells secretes molecules that results in response by other yeast cells.
Hence,option (d) is correct answer.
42.
Smooth is primarily involved in detoxification of many poison and drugs in liver.
Hence,option (B) is correct answer.
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