SCIENCE
RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____ cells break down glucose into energy.
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____ cells break light down into energy.
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____ cells communicate with other cells.
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____ cells break down glucose into oxygen
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Detailed explanation-1: -During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water.
Detailed explanation-2: -In presence of oxygen, glucose break into carbon dioxide and water. This type of respiration is called aerobic respiration. In this type of respiration more energy is released. Glucose + Oxygen → Carbon dioxide + Water + Energy.
Detailed explanation-3: -Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP . Generally speaking, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.
Detailed explanation-4: -During glycolysis, a glucose molecule with six carbon atoms is converted into two molecules of pyruvate, each of which contains three carbon atoms. For each molecule of glucose, two molecules of ATP are hydrolyzed to provide energy to drive the early steps, but four molecules of ATP are produced in the later steps.