Chapter 23, Problem 1RAT

To determine

The correct option for the statement “Which of the following statements is most accurate?”

Answer to Problem 1RAT

The correct option for the statement “Which of the following statements is most accurate? ” is option (a).

Explanation of Solution

The biomolecule which covers the major part of the food is carbohydrate. Therefore, the carbohydrate provides energy for the functioning of living system and thus acts as a biofuel.

The chemical reaction that takes place in human body is shown below.

${\text{C}}_6{\text{H}}_{12}{\text{O}}_6+6{\text{O}}_2\to 6{\text{CO}}_2+6{\text{H}}_2\text{O}+2880\text{kJ}$

The chemical reaction takes place continuously within the body from moment to moment due to which the body get energy to do work continuously.

Therefore, the correct option for the statement “Which of the following statements is most accurate? ” is option (a).

Conclusion:

The intake of food generates the chemical change within the body from one moment to another. This is due to the presence of carbohydrates in the food which is consumed by the humans. Therefore, it is correct that continuous chemical change takes place within the body.