The portion of osmotic pressure exerted by ________ in the blood is known as colloid osmotic pressure
A) large ions
B) steroids
C) lipids
D) proteins
E) small ions
Answer: D) proteins
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Cells degrade sugar largely to
A. gain energy. B. use energy. C. convert fat to energy. D. utilize coenzymes.
You want to experiment with microbial growth in various nutrients, so you inoculate a loopful of E. coli into a tube of honey. Which statement best describes what you expect to happen and why?
A. E. coli grows well in the honey because fructose is a good carbon source. B. E. coli do not grow because there is only sugar in the honey and no other nutrients. C. E. coli will not grow because the excessive sugar is toxic. D. E. coli does not grow because it has been dehydrated by the honey.
A tracer is a substance with what attached to it?
a. water b. carbon c. a radioisotope d. an ion e. a positron
Which biome is characterized by rainfall under 25 cm/year, hot days, cold nights, and quickly blooming plants?
A. grasslands B. taiga C. temperate deserts D. tundra E. temperate deciduous forest