During respiration by ground squirrels,
a. CO2 is produced.
b. O2 is consumed.
c. ATP is produced.
d. heat is produced.
e. all of the choices are correct.
e
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The diaphragm is a _____ muscle
a. smooth b. skeletal c. cardiac
The two most important alcohol germicides are ________ and ________.
A. methanol; butanol B. methanol; isopropanol C. ethanol; isopropanol D. ethanol; methanol
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 respiratory gases occurs in different directions in the metabolically active tissues and the alveoli. d. Carbonic anhydrase is an enzyme that promotes the formation of oxyhemoglobin. e. CO2 combines with amino acids in hemoglobin.
The DNA components adenine, thymine, guanine, and cytosine are examples of ____
a. phosphates b. sugars c. bases d. genes e. ribosomes