GLYCOLYSIS QUIZ

NAD+

ATP

a concentration gradient across a membrane

ADP

is used to reduce NADP

is lost as heat

is stored as fat.

remains in the products of metabolism

neither (a) nor (b)

Dinitrophenol

Both (a) and (b)

The Fo base-piece of ATP synthase (without the Fl subunit)

The pathway oxidizes two moles of NADH to NAD+ for each mole of glucose that enters

The pathway requires two moles of ATP to get started catabo-lizing each mole of glucose

ADP is phosphorylated to ATP via substrate level phosphorylation

The pathway does not require oxygen

both (b) and (c)

the gibbs free energy will be positive

the gibbs free energy will be negative

more products will be formed

cytosol

mitochondrial matrix

plasma membrane

intermembrane space

the techniques for isolating the phosphate donor are not refined enough

no such phosphate donor exists

None of these

the high-energy phosphate donor is very short-lived and difficult to isolate

3

2

4

1

1000 kcal

760 kcal

7.3 kcal

76 kcal

The enzymes of glycolysis only function in one direction

There are essentially three irreversible reactions that act as the driving force for the pathway

Glycolysis occurs in either direction

High levels of ATP keep the pathway going in a forward direction