Question

Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Ethanol}+\text{Carbon dioxide}+\text{Energy}$
(ii)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Carbon dioxide}+\text{Water}+\text{Energy}$
(iii) $\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Lactic acid}+\text{Energy}$

(c) When and where does respiration represented by equation (iii) above take place?

Answer 1

Answer:
Lactic acid is mainly produced in muscle cells.

During intense exercise, due to lack of oxygen, the body dissolves glucose to produce energy and also lactic acid is produced as by-product.