Plants store their excess carbohydrates in the form of:
a. starch
b. glycogen
c. glucose
d. cellulose
e. fats
a
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The minimal bactericidal concentration (MBC) test:
a. utilizes disks impregnated with series of concentrations (i.e., twofold dilutions) of each antimicrobial agent being tested against the bacterial isolate. b. will have an endpoint that is less than or equal to the MIC for each specific antimi-crobial tested. c. is the antimicrobial concentration that yields a 99.9% reduction in CFU/mL, compared to concentration of the original bacterial inoculum. d. measures the ability of an antimicrobial to kill all bacteria in the endpoint MIC tube/well by planting an aliquot from it and incubating it overnight.
Import quotas are
a. methods for reducing imports by limiting the quantity of goods that can enter the country each year. b. voluntary agreements by exporting countries to limit sales in a foreign country. c. subsidies to foreign producers to encourage them to trade. d. None of these.
An X-linked recessive gene (c) produces red-green color blindness. A normal woman whose father was color blind marries a color-blind man. What are the chances that the first son will be color blind?
A. 0% B. 25% C. 50% D. 75% E. 100%
Which of the following environmental conditions is likely to enhance photorespiration?
A. a ratio of CO2 to O2 that favors CO2 B. conditions that cause the stomata to open C. plants growing far apart D. a hot, dry environment E. darkness