Any chemical substance used in medical practice is known as a/an
A) antibiotic
B) antimicrobial agent
C) semi-synthetic drug
D) chemotherapeutic agent
Answer: D) chemotherapeutic agent
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Which of the following statements is NOT TRUE
concerning an electron that has absorbed a photon? a. It moves to a higher energy level. b. It becomes more stable. c. It quickly returns to its original energy level. d. It may emit energy. e. It becomes excited.
Implantation occurs at which stage of human
pregnancy? a. zygote b. early cleavage c. blastocyst d. gastrula e. morulav
Fats carry about the same amount of energy as carbohydrates such as glycogen.
a. true b. false
Which are the components of an ATP molecule?
A. ribose, 3 phosphates, 1 adenine B. glucose, 3 phosphates, 1 guanine C. deoxyribose, 3 phosphates, 1 guanine D. deoxyribose, ribose, 1 cytosine E. ribose, 2 phosphates, 1 thymine