Biology
Grade-7
Easy
Question
During cellular respiration, which of the following molecule is broken down?
- Galactose
- Glucose
- Fructose
- Lactose
Hint:
.
The correct answer is: Glucose
- Cellular respiration is a catabolic reaction involving the breakdown of complex molecules to produce energy
- Energy for cellular respiration is obtained from the breakdown of glucose
- Glucose is obtained from the food we consume in the form of carbohydrates
- Glycolysis is the breakdown of glucose in a series of reactions producing pyruvate and ATP
- The reaction of glycolysis is as follows:
- 2ATP molecules are produced during glycolysis from one molecule of glucose
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