What is meant by the term respiration?
Write a word equation to represent aerobic respiration - Leaving Cert Biology - Question b - 2021
Question b
What is meant by the term respiration?
Write a word equation to represent aerobic respiration.
Aerobic respiration is a two-stage process.
State clearly where sta... show full transcript
Worked Solution & Example Answer:What is meant by the term respiration?
Write a word equation to represent aerobic respiration - Leaving Cert Biology - Question b - 2021
Step 1
What is meant by the term respiration?
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Answer
Respiration is the biochemical process through which organisms obtain energy from food. It involves the breakdown of glucose and other substrates to release energy necessary for various cellular functions.
Step 2
Write a word equation to represent aerobic respiration.
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Answer
The word equation for aerobic respiration is:
Glucose + Oxygen → Carbon Dioxide + Water + Energy
Step 3
State clearly where stage one and stage two occur within the cell.
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Answer
Stage 1: Occurs in the Cytosol (or cytoplasm) of the cell.
Stage 2: Occurs in the Mitochondrion.
Step 4
What is meant by fermentation?
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Answer
Fermentation is an anaerobic process by which yeast and some bacteria convert sugars into alcohol and carbon dioxide. It is utilized in various industrial applications like bread making and brewing.
Step 5
Name the two products of fermentation produced by yeast.
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Answer
The two products of fermentation produced by yeast are:
Alcohol
Carbon Dioxide
Step 6
Describe a laboratory test for either one of the products named at part (v) above.
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Answer
For the product Carbon Dioxide, a laboratory test can be conducted using limewater. When Carbon Dioxide is bubbled through limewater, it will turn milky due to the formation of calcium carbonate, indicating the presence of CO₂.
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