Which procedure is most useful in quantifying the active transcription of botulism toxin genes in a can of food that is contaminated?
A. End-point PCR
B. DNA hybridization
C. Southern blot
D. Real-time PCR
Answer: D
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Fats that contain only SINGLE bonds are called, __________ _________ (solid at room temp.)
Fill in the blank(s) with the appropriate word(s).
Males and females often differ in their reproductive strategies due to the fact that males can increase the number of
offspring they produce by ____ while females reproduce most successfully by ____.
a. mating with a high-quality female; mating with a high-quality male b. driving off other males; defending a productive territory c. defending a productive territory; enlisting multiple males to aid in raising her offspring d. mating with multiple females; mating with a high-quality male e. mating with multiple females; mating with multiple males
Which of the following includes all the others?
a. sucrose b. glucose c. cellulose d. glycogen e. carbohydrate
Which of the following statements is true?
a. Although hormones are carried to all parts of the body, they produce effects only in cells with proper receptors. b. Hormones are limited to steroid compounds. c. Hormones are secreted by specialized exocrine glands. d. Most hormones are controlled by positive feedback mechanisms involving the pituitary gland. e. Target cell response to the secretion of a hormone is as rapid as an effector response in the nervous system.