The main purpose of the citric acid cycle is to
A) produce Acetyl CoA so that the citric acid cycle can continue.
B) produce proteins for energy storage.
C) phosphorylate glucose molecules.
D) supply hydrogen atoms to the Electron Transport System.
E) produce citric acid to make vitamin C in the mitochondria.
D
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Using Figure 22.3, match the following:
1) Produces enzymes that break down all categories of foodstuffs.
2) Increases surface area for absorption via villi and microvilli.
3) Bacteria process undigested chyme from the small intestine.
4) Only digestive structure with three muscle layers.
5) Receives blood via the hepatic portal system.
6) Contains the brush border enzymes that complete digestion of carbohydrates and proteins.
7) Main function is to filter and process the nutrient-rich blood delivered to it.
8) Produces intrinsic factor.
9) Produces a mucoid barrier.
The ________ is the target for ACTH
a. adrenal gland b. anterior pituitary c. posterior pituitary d. ovary e. pancreas
Oxytocin is responsible for
A. preventing the formation of goiters. B. regulating blood calcium levels. C. causing contractions of uterine smooth muscle during labor. D. milk production by the mammary glands. E. preventing release of insulin from the pancreas.
What is the specialization of embryonic tissue into adult forms called?
A. Dedication B. Metaplasia C. Atrophy D. Differentiation E. Dysplasia