How many alleles exist for a given gene?
A) always one allele per gene
B) only two
C) each gene can have a different number of alleles
D) two from each parent
C
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Which of the following best describes the interaction between an enzyme and its substrate?
A. Part of the enzyme temporarily binds part of the substrate molecule. B. The enzyme temporarily deactivates the substrate. C. The enzyme surrounds and completely contains the substrate. D. The substrate surrounds and completely contains the enzyme.
The small intestine:
A. normally contains millions of bacteria that digest complex polysaccharides and produce vitamin K. B. secretes amylase, lipase, and various proteases from its epithelial cells. C. is the main site of gastrin secretion. D. absorbs a larger volume of fluid than any other region of the GI tract. E. undergoes only peristaltic contractions, both during the digestion of meals and between meals.
Bone-forming cells are called ________.
A. osteons B. osteocytes C. osteogenic (osteoprogenitor) cells D. osteoclasts E. osteoblasts
The two types of bloat are ________________________________________ and free gas
Fill in the blank(s) with correct word