Which of the following metabolites is commonly produced during the breakdown of fats, carbohydrates, and proteins?

Arrange the following in the order of their occurrence in the glycolytic pathway.

I. Triose bisphosphate $⟶$ Triose phosphate

II. Fructose-$6$-phosphate $\to$ Fructose $1,6$-bisphosphate

III. Phosphoenolpyruvate $\to$ Pyruvic acid

IV. $2$-Phosphoglycerate $⟶$ Phosphoenolpyruvate

V. Glucose-$6$-phosphate $⟶$ Fructose-$6$-phosphate

VI. Triose phosphate $⟶$ $2$-Phosphoglycerate

The correct sequence is:

Arrange the given reactions occur in electron transport in correct sequence.

$I)$ Oxygen $\to$ Removes ${\mathrm{H}}_2$ from ETS $\to$ Receives electrons form $ETS$.

$II)$ Ubiquinone $\to$ Oxidized from ubiquinol $\to$ Receives reduced equivalents from ${\mathrm{FADH}}_2$.

$III$Cyt C oxidase $\to$ Reduced by cytochrome $\mathrm{C}\to$ Electron donor for ${\mathrm{O}}_2$ to release ${\mathrm{H}}_2\mathrm{O}$.

$IV)$ Cytochrome $\mathrm{C}\to$ Mobile carrier $\to$ Transfer $e^{-}$ from cyt $\mathrm{b}$ to cyt $\mathrm{c}$ oxidase.

For the Amphibolic pathway, choose the correct option of true assertions from the given assertions. 

(I) Lipid enters the first stage of the respiratory pathway.

(II) The conversion of carbohydrates into glucose, before their entry into respiration is not compulsory.

(III) Protein enters into the respiratory pathway in the form of Pyruvic acid.

(IV) Oxidation and formation of lipid and protein, these two events take place.