Biology
Grade-7
Easy
Question
From which of the following do cells obtain energy during cellular respiration?
- Fructose
- Lactose
- Galactose
- Glucose
Hint:
The starting material of glycolysis is glucose
The correct answer is: Glucose
- Energy for the metabolic reactions is obtained from the breakdown of glucose
- Glycolysis is the breakdown of glucose in a series of reactions producing pyruvate and ATP
- Glycolysis is the primary step in energy production following the intake of complex food
- The reaction of glycolysis is as follows:
- 2ATP molecules are produced during glycolysis from one molecule of glucose
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