Most of the carbon dioxide in the blood is transported:a
dissolved in plasma.
b. as bicarbonate ions.
c. by hemoglobin.
d. as carbonic anhydrase.
e. as carbonic acid.
B
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____ tissue contains glands
a. Connective b. Muscular c. Epithelial d. Neural e. Adipose
Gene flow ____
a. has a homogenizing influence between two populations b. speeds up the divergence of two populations c. increases the genetic variation between populations
d. is promoted by isolating mechanisms e. promotes inbreeding
Any agent that causes damage to DNA is a potential ________
A) oncogene B) proto-oncogene C) pollutant D) carcinogen
To help avoid a waterborne infection, what would you recommend to a traveler going to South America?
a. vaccination b. bring chlorine with you c. only consume/use bottled water d. only consume canned foods and beverages