Which of the following describes the exchange of gases between a respiratory surface and the
circulatory system?
a. ventilation
b. cellular respiration
c. perfusion
d. bulk flow
e. physiological respiration
E
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Which type of eye can form an image?
A. eyecup B. compound eye C. single-lens eye D. compound eye and single-lens eye.
Runoff of rainwater is minimized on
(a) hard surfaces like parking lots. (b) compacted ground. (c) level, spongy ground. (d) steep slopes.
Which of the following serves as a switching mechanism in the photoperiodic response in plants?
a. phytochrome b. auxin c. cryptochrome d. calmodulin e. phytoalexin
Which of the following would affect the size of a zone of inhibition around an antiseptic or disinfectant disk? Select all that apply
a. The susceptibility of the microorganism to the chemical b. The concentration of chemical in the disk c. The cellular target of the chemical d. How quickly the chemical diffuses through the agar e. The depth of the agar