Which of the following is true about glucose and fructose? A)
both molecules are simple sugars (monosaccharides) with a different
arrangement of atoms but with the same chemical formula B) both
molecules contain 6 carbons C) both molecules contain hydrogen and
oxygen in a ratio of 2:1 D) all are true E) none are true

Which of the following is true about oxidation of sugar during
glycolysis? A) occurs after the sugar has split into 3-carbon
fragments B) carried out by an enzyme which transfers hydrogens to
NAD C) the oxidation step can occur in the absence of oxygen D) all
are true E) none are true

Synthesis of glycogen from glucose 6-phosphate is favored when
A) glucose is depleted B) ATP is abundant C) ATP is depleted D)
oxygen is not present E)glycolysis goes to completion(when 3C sugar
are formed)

Which one of the following is not true? A) NADH is oxidized by
electron transport system only in respiration B) substrate level
phosphorylation only occurs in fermentation C) the final step in
fermentation is reduction of an organic molecule, whereas the final
step in respiration is reduction of an inorganic molecule