The enzyme reverse transcriptase synthesizes:
A. DNA from RNA.
B. RNA from DNA.
C. proteins from RNA.
D. proteins from DNA.
E. double-stranded RNA from doublestranded
DNA.
A
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Answer the following statements true (T) or false (F)
1. Fermentation is a more efficient form of energy production than aerobic respiration. 2. Substrate phosphorylation occurs when protons pass through ATP synthase and combine with oxygen to make water. 3. In cellular respiration, an H+ electrochemical gradient is formed so that the H+ concentration is lower in the intermembrane space than inside the matrix. 4. If oxygen is present, pyruvate will be converted to acetyl CoA in the mitochondrial matrix.
The tough, pliable body of a lichen is called a(n) ____
a. soredium b. arbuscule c. thallus d. sporangium e. haustorium
Modeled after actuarial tables, how do life tables assort the population?
a. by wealth b. by tax bracket c. by age interval d. by illness or condition
Water molecules can form hydrogen bonds with _____
A) compounds that have polar covalent bonds B) oils C) oxygen gas (O2 ) molecules D) chloride ions