1. During synthesis, where is collagen never found in the cell? Why? 2. Cytochalasin treatment of...
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1. During synthesis, where is collagen never found in the cell? Why? 2. Cytochalasin treatment of polarized kidney cells in vitro causes a decrease in the total surface area of these cells. Explain this phenomenon. 3. In contraction of skeletal muscle: A. How does depolarization of the muscle cell membrane cause an increase in the concentration of calcium ions in the cytoplasm of the muscle cell? B. What would be the effect of diminishing ATP levels on muscle contraction? C. How does the increase of cytoplasmic calcium ions trigger the muscle cell to contract? 1. During synthesis, where is collagen never found in the cell? Why? 2. Cytochalasin treatment of polarized kidney cells in vitro causes a decrease in the total surface area of these cells. Explain this phenomenon. 3. In contraction of skeletal muscle: A. How does depolarization of the muscle cell membrane cause an increase in the concentration of calcium ions in the cytoplasm of the muscle cell? B. What would be the effect of diminishing ATP levels on muscle contraction? C. How does the increase of cytoplasmic calcium ions trigger the muscle cell to contract?
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1 Coll agen is never found in the nucleus of the cell because it is not a water sol uble protein and therefore cannot pass through the nuclear membran... View the full answer
Related Book For
Accounting Principles
ISBN: 978-1119048473
7th Canadian Edition Volume 2
Authors: Jerry J. Weygandt, Donald E. Kieso, Paul D. Kimmel, Barbara Trenholm, Valerie Warren, Lori Novak
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