Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 5 - 2017
Question 5
Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case.
(a) Enzymes are made from carbohydrates.
(b) Th... show full transcript
Worked Solution & Example Answer:Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 5 - 2017
Step 1
Enzymes are made from carbohydrates.
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Answer
False. Enzymes are primarily made from proteins.
Step 2
The substance with which an enzyme reacts is called its substrate.
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Answer
True. This statement correctly defines the enzyme-substrate relationship.
Step 3
Enzyme reactions are specific.
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Answer
True. Enzymes are specific to their substrates, and typically catalyze only one kind of reaction.
Step 4
Amylases are enzymes that digest lipids in the body.
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Answer
False. Amylases are enzymes that digest carbohydrates, not lipids.
Step 5
Changing pH can affect the rate of activity of an enzyme.
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True. Enzyme activity can be affected by changes in pH, as each enzyme has an optimal pH range.
Step 6
Enzyme molecules have a folded shape.
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True. The three-dimensional shape of an enzyme is critical for its function.
Step 7
An immobilised enzyme is one that has lost its function.
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False. An immobilised enzyme retains its function but is fixed in a particular location.
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