X = oxygen
Y = carbon dioxide
(energy release) not requiring oxygen or air or correct equation
4(5) + 4(1)
Cytoplasm
No
Small amount
Mitochondrion
Yes
Large amount or much greater than first
Muscular activity / nerve impulse / maintenance of body temperature / reabsorption in kidney/respiration
- Leaving Cert Biology - Question 13 - 2005
Question 13
X = oxygen
Y = carbon dioxide
(energy release) not requiring oxygen or air or correct equation
4(5) + 4(1)
Cytoplasm
No
Small amount
Mitochondrion
Yes
Large amoun... show full transcript
Worked Solution & Example Answer:X = oxygen
Y = carbon dioxide
(energy release) not requiring oxygen or air or correct equation
4(5) + 4(1)
Cytoplasm
No
Small amount
Mitochondrion
Yes
Large amount or much greater than first
Muscular activity / nerve impulse / maintenance of body temperature / reabsorption in kidney/respiration
- Leaving Cert Biology - Question 13 - 2005
Step 1
(i) X = oxygen, Y = carbon dioxide
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Answer
In this context, the reaction taking place involves oxygen (X) and carbon dioxide (Y). The correct association is that oxygen is required for aerobic respiration, leading to the production of carbon dioxide as a waste product.
Step 2
(ii) (energy release) not requiring oxygen or air or correct equation
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Answer
The energy release described is likely referring to anaerobic respiration. The general chemical equation for this process can be summarized by the fermentation of glucose:
ightarrow 2 C_2H_5OH + 2 CO_2 + ext{energy}$$
Step 3
(i) Cytoplasm
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The process takes place in the cytoplasm of the cell, where glycolysis occurs.
Step 4
(ii) No
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In comparison to aerobic processes, anaerobic processes do not require oxygen.
Step 5
(iii) Small amount
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The amount of energy produced during anaerobic respiration is relatively small compared to aerobic respiration.
Step 6
(iv) Mitochondrion
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The mitochondrion is primarily involved in aerobic respiration, but is mentioned here to contrast with anaerobic processes.
Step 7
(v) Yes
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Some anaerobic organisms can perform these processes in varying conditions, leading to different outcomes.
Step 8
(vi) Large amount or much greater than first
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Anaerobic processes, particularly in certain conditions, can yield a significantly larger output of products compared to initial inputs.
Step 9
(vii) Muscular activity / nerve impulse / maintenance of body temperature / reabsorption in kidney/respiration
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Answer
These functions highlight the versatility and necessity of energy produced through both aerobic and anaerobic respiration in various biological processes.
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