Which of the following is produced by adding 1% to 5% agar to nutrient broth that is then boiled and cooled?
A. A contaminated medium
B. A liquid medium
C. A pure culture
D. A mixed culture
E. A solid medium
Answer: E
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The posterior pituitary secretions produce their effects
a. on the gonads. b. in the thyroid glands. c. on adrenal glands. d. on mammary glands. e. on thirst mechanism.
What products of light reactions of photosynthesis are used in the Calvin cycle?
A. ATP and NADPH B. carbon dioxide and water C. glucose and oxygen D. ADP and NADP E. oxygen and protons
What does recent research suggest about the relationships between weight and health risks?
A) People of normal weights have the lowest health risks. B) People who are moderately obese have the highest health risks. C) People who are slightly overweight have the lowest health risks. D) People who are underweight have the highest health risks.
Which of the following settings constitutes an interpolation?
A. Using past sales, and price information to make a forecast for next year's sales growth. B. Using a randomized control trial to estimate the causal effect of the use of a cancer treatment on health outcomes. C. Using 2014 and 2016 data on GDP to estimate GDP in the third quarter of 2015, which is missing. D. Using past sales, and price information to estimate last year's price elasticity of demand.