Approximately _____ percent of human births in the U.S. are the result of in vitro fertilization
a. 0.5
b. 1.5
c. 5
d. 10
e. 25
b
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The structural difference between saturated and unsaturated fats causes what type of change at room temperature?
A. Linear structure of a fatty acid causes solid formation at room temperature. B. Double bonds in saturated fatty acids cause a solid structure at room temperature. C. A linear structure causes a loose forming macromolecule that is liquid at room temperature. D. The double bonds require higher temperatures at room temperature to make this fatty acid into a liquid.
When a coral reef turns white, it means that the reef is
a. dead. b. healthy. c. in a dormant state. d. spreading.
The chordate notochord is a dorsal longitudinal rod composed of cartilage. Indicate whether the statement is true or false
If the hemoglobin molecules in your red blood cells suddenly were unable to bind carbon dioxide and hydrogen ions, what would happen to your blood pH?
A) It would increase. B) It would stay the same. C) It would decrease.