Read about the gray crescent in your textbook. How does its location relate to the site of sperm penetration?
What will be an ideal response?
The grey crescent forms after fertilization and opposite the point of penetration.
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The following is a list of tissue layers of the digestive tract. What is the correct order from lumen to external surface?
(1) Muscularis externa (2) Muscularis mucosa (3) Serosa (4) Lamina propria (5) Submucosa A. 4, 2, 5, 1, 3 B. 3, 4, 5, 2, 1 C. 2, 5, 4, 1, 3 D. 4, 5, 2, 1, 3 E. 4, 2, 1, 5, 3
The functions of saliva include
A. moistening, binding and dissolving food particles; beginning chemical digestion of carbohydrates; and cleansing the teeth and mouth. B. moistening, binding and building up food particles; beginning mechanical digestion of fats; and cleansing the teeth and mouth. C. moistening, binding and dissolving food particles; beginning chemical digestion of proteins; and cleansing the esophagus. D. moistening, binding and building up food particles; beginning chemical digestion of carbohydrates; and cleansing the esophagus.
Select the correct statement regarding tissue repair
A) Granulation tissue is highly susceptible to infection. B) The clot is formed from dried blood and transposed collagen fibers. C) Granulation tissue is another name for a blood clot. D) Inflammation causes capillaries to dilate and become permeable.
What is chemiosmotic theory? What is its role in metabolism?
What will be an ideal response?