Physical agents for controlling microbial growth include all of the following, except
A. HEPA filters.
B. boiling water.
C. ultraviolet radiation.
D. hydrogen peroxide.
E. pasteurization.
Answer: D
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The part of the diencephalon that regulates the body's internal environment is called the ___________
Fill in the blank(s) with the appropriate word(s)
A swim bladder is a gas-filled sac that helps fish maintain buoyancy. The evolution of the swim bladder from lungs of an ancestral fish is an example of _____
A) exaptation B) changes in Hox gene expression C) paedomorphosis D) adaptive radiation
What structure of the spinal cord carries motor impulses from the brain?
A. dorsal horn B. dorsal root C. dorsal root ganglion D. ventral root
Interoctopus communication is facilitated by
A. a radula. B. mantle connections. C. chemical pheromones. D. chromatophores.