Which of the following statements is true regarding respiration in mammals? Select all correct choices
A. Air moves in a uni-directional fashion
through the lungs.
B. Gas exchange occurs in the bronchioles.
C. Gas exchange occurs in the alveoli.
D. Respiration depends on changes in air
pressure in the chest cavity.
E. Respiration depends on contractions of the
diaphragm.
C,D,E
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The presence of a tympanic membrane in insects and vertebrates is an example of:
A. divergent evolution. B. coevolution. C. convergent evolution. D. adaptive radiation.
Eukaryotic genes consist of protein-coding sequences and adjacent regulatory sequences
Indicate whether the statement is true or false.
The type of floral attraction that would work on the pollinator in Figure 37-2 is:
a. white flowers. b. purple or blue flowers. c. a strong sweet scent. d. a strong carrion-like scent. e. sweet nectar.
What is the major lipid found in membranes?
A. cholesterol B. phospholipids C. steroids D. saturated fatty acids E. triglycerides