A therapeutic index is a ratio between
A) toxicity versus half-life.
B) potential patients not ruled out due to drug interactions or contraindications versus patients that experienced side effects.
C) maximum safe dose versus minimum effective dose.
D) patient survivability versus patient allergies.
E) patients that benefited from drug versus patients that experienced side effects.
Answer: C
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The complex of DNA, RNA, and associated proteins that gives shape to the chromosome is called ____
Fill in the blank with the appropriate word.
"Gluconeogenesis" is the process in which
A. glucose levels are increased in the blood through the breakdown of carbohydrates. B. glucose levels are decreased in the blood through the breakdown of carbohydrates. C. glucose levels are increased in the blood by synthesis of glucose from non-carbohydrate sources. D. glucose levels are decreased in the blood by synthesis of glucose from non-carbohydrate sources. E. amino acids are generated for processes like building muscle tissue.
Which of the following is true of the flo gene?
a. heterozygotes are twice as likely to be obese b. the gene is expressed in the brain c. people who are obese are lacking the flo gene d. most children in the United States who are obese have two copies of the flo gene e. flo genes are X-linked, thus boys are more likely than girls to be obese
Figure 23.7
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Refer to the accompanying figure for questions 11 and 12.
The structure labeled "4" in the figure is a(n) ____.
A. asexual spore B. haploid spore C. mature zygospore D. immature zygospore E. spore sac