13. (i) Identify X and Y in the following equation which is a summary of aerobic respiration - Leaving Cert Biology - Question 13 - 2006
Question 13
13. (i) Identify X and Y in the following equation which is a summary of aerobic respiration.
C₆H₁₂O₆ + 6O₂ → 6Y + 6H₂O
What is anaerobic respiration?
(ii) Answer t... show full transcript
Worked Solution & Example Answer:13. (i) Identify X and Y in the following equation which is a summary of aerobic respiration - Leaving Cert Biology - Question 13 - 2006
Step 1
Identify X and Y in the following equation which is a summary of aerobic respiration.
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Answer
In the equation C₆H₁₂O₆ + 6O₂ → 6Y + 6H₂O,
X is identified as oxygen (O₂)
Y is identified as carbon dioxide (CO₂).
Step 2
What is anaerobic respiration?
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Answer
Anaerobic respiration is the process of energy release that occurs in the absence of oxygen. Unlike aerobic respiration, it does not utilize oxygen or air, leading to the partial breakdown of glucose.
Step 3
Where in the cell does the first stage take place?
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The first stage of aerobic respiration occurs in the cytoplasm of the cell.
Step 4
Does the first stage require oxygen?
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Answer
No, the first stage of aerobic respiration does not require oxygen.
Step 5
Comment on the amount of energy released in the first stage.
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The amount of energy released in the first stage is relatively small compared to later stages.
Step 6
Where in the cell does the second stage take place?
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The second stage of aerobic respiration takes place in the mitochondria of the cell.
Step 7
Does the second stage require oxygen?
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Yes, the second stage of aerobic respiration requires oxygen to proceed.
Step 8
Comment on the amount of energy released in the second stage.
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The amount of energy released in the second stage is large and much greater than that of the first stage.
Step 9
State two ways in which the energy that is released is used in the human body.
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Answer
The energy is used for muscular activity and nerve impulse transmission.
It is also utilized for maintaining body temperature and reabsorption in the kidney.
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