Identify the enzyme for the following reaction:
$CH_3COCOOH \longrightarrow CH_3CHO + CO_2$

Which of the following processes is chemically similar to 'sugar fermentation'?

During lactic acid fermentation, . . . . . .

Radha was running on a treadmill at a great speed for $15$ minutes continuously. She stopped the treadmill and abruptly came out. For the next few minutes,she was breathing heavily/fast. Answer the following questions.
$(a)$ What happened to her muscles when she did strenuous exercise?
$(b)$ How did her breathing rate change?

Which of the following exhibits anaerobic respiration?

Anaerobic respiration was first of all reported by