Which of the following statements concerning collagen is false?
A. Collagen is composed of collagen ?-chains.
B. Collagen is elastic and stretches.
C. There are at least 20 different types of collagen in the body.
D. Collagen is strong and flexible.
E. Collagen is a common protein in the body.
Answer: B
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The anatomical arrangement of the kidney that allows transfer of solutes from one blood vessel to another is called the ________.
Fill in the blank(s) with the appropriate word(s).
Without cortisol's permissive effect on ________, an animal would die.
A) thyroid hormone B) parathyroid hormone C) aldosterone D) glucagon E) insulin
Which molecule is produced as a waste product of the metabolism of glucose by cells?
A. Water B. Carbon dioxide C. Carbon monoxide D. Nitrogen E. Oxygen