Enzymes are
lipids.
proteins.
carbohydrates.
nucleic acids.
steroids.
proteins
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There are four basic layers of the digestive tract. Arrange them in order from the lumen (deep to superficial)
A) serosa, mucosa, submucosa, and muscularis externa B) muscularis externa, serosa, mucosa, and submucosa C) mucosa, submucosa, muscularis externa, and serosa D) submucosa, serosa, muscularis externa, and mucosa
When the body's digestive system breaks down starch, a complex carbohydrate, into simpler carbohydrates, the reaction is
A. anabolic and endergonic. B. anabolic and exergonic. C. catabolic and exergonic. D. catabolic and endergonic.
Which of the following organs is retroperitoneal?
A. Duodenum B. Pancreas C. Descending colon D. Ascending colon E. All of the choices are correct.
Where are GLUT carriers located in an unstimulated muscle fiber?
A. Within cytoplasmic vesicles B. In the plasma membrane facing the external environment C. In the plasma membrane facing the internal environment D. There are no GLUT carriers present.