Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:

1. Phosphofructokinase

2. Aldolase

3. Hexokinase

4. Enolase

Respiratory Quotient (RQ) value of tripalmitin is:

The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products. 
 
Arrows numbered 4, 8, and 12 can all be:

Where is the respiratory electron transport system (ETS) located in plants?

1. Mitochondrial matrix

2. Outer mitochondrial membrane

3. Inner mitochondrial membrane

4. Intermembrane space

In the given diagrammatic representation of ATP synthesis in mitochondria, A, B and C are respectively:
  
1. 2 ${\mathrm{H}}^{+}$, ${\mathrm{F}}_0$ and ${\mathrm{F}}_1$
2. 2 ${\mathrm{H}}^{+}$, ${\mathrm{F}}_1$ and ${\mathrm{F}}_0$
3. 4 ${\mathrm{H}}^{+}$, ${\mathrm{F}}_0$ and ${\mathrm{F}}_1$
4. 4 ${\mathrm{H}}^{+}$, ${\mathrm{F}}_1$ and ${\mathrm{F}}_0$

The RQ of a substrate is found to be 0.9 what would be that substrate?

RQ is 0.7; it can be