To speed up the growth rate in a chemostat, the ________ should be increased. To increase the cell density as well, the ________ should be increased
a. dilution rate / dilution rate
b. dilution rate / limiting nutrient
c. limiting nutrient / dilution rate
d. limiting nutrient / limiting nutrient
Answer: B
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Some strains of leishmaniae have reservoir hosts, including dogs and wild rodents. Transmission is via the bite of a:
a. tsetse fly. b. tick. c. sandfly. d. triatomid bug.
The three main energetic components of sunlight are
A. gamma rays, visible light, and infrared radiation. B. visible light, radio waves, and ultraviolet radiation. C. ultraviolet radiation, visible light, and x-rays. D. ultraviolet radiation, visible light, and infrared radiation. E. microwaves, visible light, and ultraviolet radiation.
The major difference between a structural lipid, such as those in cell membranes, and a storage fat is
the fact that the structural lipid:a. most commonly contains phosphate. b. does not contain glycerol. c. has four fatty acids attached to glucose. d. is entirely hydrophobic. e. is nonpolar
The high levels of fasting-phase glucagon promote the release of __________ from adipose tissue and their use as the body's primary fuel.
Fill in the blank(s) with the appropriate word(s).