Answer any five of the following parts (a) to (f):
(a) Give one example of a trace element in the human diet - Leaving Cert Biology - Question 1 - 2020
Question 1
Answer any five of the following parts (a) to (f):
(a) Give one example of a trace element in the human diet.
(b) Name the three chemical elements found in all lip... show full transcript
Worked Solution & Example Answer:Answer any five of the following parts (a) to (f):
(a) Give one example of a trace element in the human diet - Leaving Cert Biology - Question 1 - 2020
Step 1
(a) Give one example of a trace element in the human diet.
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Answer
One example of a trace element in the human diet is iron. It is essential for various bodily functions, including the formation of hemoglobin.
Step 2
(b) Name the three chemical elements found in all lipids.
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Answer
The three chemical elements found in all lipids are Carbon (C), Hydrogen (H), and Oxygen (O).
Step 3
(c) Name the basic unit that makes up lipids.
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The basic unit that makes up lipids is glycerol, which typically combines with fatty acids to form triglycerides.
Step 4
(d) Respiration is an example of a metabolic pathway in organisms. What type of metabolic pathway is in question?
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The type of metabolic pathway in question is catabolic. Catabolic pathways break down molecules to produce energy.
Step 5
(e) What is meant by the term polysaccharide?
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A polysaccharide is defined as a carbohydrate made up of many (greater than two) sugar units or named monosaccharide units. Common examples include starch, glycogen, and cellulose.
Step 6
(f) Name a storage polysaccharide found in animals.
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A storage polysaccharide found in animals is glycogen. It serves as a form of energy storage primarily in the liver and muscle tissues.
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