During $\mathrm{ETS}$, the terminal electron acceptor is

What does $\mathrm{A},\mathrm{B}$ and $\mathrm{C}$ depict in the given pathway of anaerobic respiration?

Match the columns and select the correct option.

During both lactic acid and alcoholic fermentation

a. Less than $7\%$ of the energy in glucose is released.

b. ${\mathrm{CO}}_2$ is released.

c. All the released energy gets trapped as high energy bonds of ATP.

Select the option that correctly states the $\mathrm{RQ}$ of fatty acids, proteins and carbohydrates, respectively.