Hemocyanin:a
combines irreversibly with oxygen for transport within the body of various organisms.
b. is bright red in color when combined with oxygen.
c. has an iron-porphyrin group that is responsible for oxygen transport.
d. is a respiratory pigment found in the blood of some invertebrate and vertebrate species.
e. is a respiratory pigment that is colorless when deoxygenated.
e
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A. bacteria and algae. B. bacteria and virus. C. fungi and virus. D. plant roots and fungi.
El Niño/Southern Oscillation refers to changes in weather patterns in the:
a. Pacific Ocean. b. Atlantic Ocean. c. Indian Ocean. d. Southern Ocean. e. Antarctic Ocean.
What % of Americans are considered overweight?
a. 50% b. 75% c. 85% d. 66% e. 33%
The region of each antibody molecule where amino acid composition is highly diversified from one clone of B lymphocytes to another is the ________ region.
A. hinge B. joining C. variable D. light E. constant