Most of the water vapor in the earth's atmosphere comes from evaporation from
a. lakes.
b. rivers.
c. land.
d. oceans.
e. plants.
D
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Explain what an enzyme must accomplish to catalyze a specific reaction
What will be an ideal response?
How much fluid does the lymphatic system return to the bloodstream each day?
a. 1 to 2 liters b. 3 to 4 liters c. 6 to 7 liters d. 10 to 13 liters e. more than 50 liters
Which of the following statements is false?
a. Hemoglobin functions as a buffer. b. Bicarbonate ions tend to diffuse out of red blood cells into the blood plasma. c. The movement of molecules go in different directions in the metabolically active tissues and the alveoli. d. Carbonic anhydrase is an enzyme that promotes the formation of oxyhemoglobin. e. Hemoglobin consists of four polypeptide chains.
Heritability measures ________
A) the difference between the environmental and genetic influences on a heritable trait of an individual B) the degree of influence that the sum of the environmental and genetic factors have on a trait C) the portion of the total variation in a trait that is due to variation in genes D) the distribution of the phenotypes of the individuals in a normally distributed population