Which of the following is not a benefit of agar as a solid medium?
A. Easily digested by most microbes
B. Holds moisture
C. Flexibility
D. Can be inoculated and poured at a temperature that is not harmful
E. Solid at room temperature
Answer: A
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Answer the question using the accompanying figure. The structures labeled "5" are ____
a. trichocysts b. micronuclei c. flagella d. pili e. gullet
The bacterium E. coli swims in a straight line, called a ________, for a few seconds; then it stops, tumbles, then swims away in a new direction.
Fill in the blank(s) with the appropriate word(s).
When experiencing stress, the sympathetic nervous system decreases your blood pressure
Indicate whether the statement is true or false.
The greenhouse effect, which has become a major ecological concern, is caused by
A) the destruction of ozone in the upper atmosphere. B) the increase in atmospheric concentrations of greenhouse gases (CO2,CH4, and N2O). C) overuse of fertilizers in farming. D) global warming. E) the release of heat energy from burning fossil fuels.