Where does the digestion of proteins begin in humans?
a. in the stomach
b. in the small intestines
c. in the pancreas
d. in the large intestine
Ans: a. in the stomach
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The process of breaking glycogen down to glucose is an example of: ____.
A. anabolism B. dehydration C. catabolism D. catalysis E. metabolism
In cats an X-linked pair of alleles, B and b, controls color of fur. The alleles are incompletely
dominant: B produces black, b produces yellow, and Bb produces tortoise-shell. (a) A yellow cat had a litter of two tortoiseshell kittens and one yellow. What is the sex of the yellow kitten? (b) A tortoiseshell cat brings home a litter of black, yellow, and tortoiseshell kittens. The color of which sex would tell you the color of the tomcat that produced them? (c) A yellow male is crossed with a tortoiseshell female. If the female has all male kittens in her litter of four, what color(s) would they be? (d) A tortoiseshell cat brings home her litter of black, yellow, and tortoiseshell kittens. By what method could you possibly decide whether the male parent was the black tomcat next door? What will be an ideal response?
Which solution has more free hydrogen ions: pH = 9 or pH = 3?
What will be an ideal response?
An anion is formed when
A) an atom gains one or more negatively-charged electrons. B) an atom loses one or more positively-charged protons. C) an atom loses one or more negatively-charged electrons. D) an atom gains one or more positively-charged protons. E) an atom has an equal number of positively-charged protons and negatively-charged electrons.