Some antifungal medications work by blocking DNA synthesis in the fungal cell. During which phase of the cell cycle do these medications work?
a. G1
b. G2
c. S phase
d. Prophase
Answer: c. S phase
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Using Figure 17.3, match the following:
1) Ventricular fibrillation.
2) Second-degree heart block.
3) Junctional rhythm.
4) Normal sinus rhythm.
DNA
A. contains the sugar deoxyribose. B. assembles amino acids to make proteins. C. is one of several amino acids. D. is a single-stranded molecule. E. must travel to ribosomes to function.
Chemical reactions that release energy are categorized as
A) endergonic. B) catabolic. C) anabolic. D) hydrolytic. E) exergonic.
The movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the interstitial fluid of the digestive tract is called
A) secretion. B) ingestion. C) digestion. D) absorption. E) excretion.