How does a phospholipid differ from a fat?
Phospholipid: A phospholipid is a type of lipid that contains a phosphate group, making it amphipathic, meaning it has both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts - Leaving Cert Biology - Question b - 2014
Question b
How does a phospholipid differ from a fat?
Phospholipid: A phospholipid is a type of lipid that contains a phosphate group, making it amphipathic, meaning it has bo... show full transcript
Worked Solution & Example Answer:How does a phospholipid differ from a fat?
Phospholipid: A phospholipid is a type of lipid that contains a phosphate group, making it amphipathic, meaning it has both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts - Leaving Cert Biology - Question b - 2014
Step 1
How does a phospholipid differ from a fat?
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Answer
A phospholipid contains a phosphate group and has two fatty acids, making it amphipathic. In contrast, a fat has three fatty acids and lacks a phosphate group, primarily serving as energy storage.
Step 2
Name a fat-soluble vitamin.
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Answer
Vitamin A, D, E, or K.
Step 3
State a disorder due to a dietary deficiency of the vitamin referred to in (b) (ii).
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Answer
Matching disorder.
Step 4
Give any two functions of minerals in organisms.
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Answer
Formation of rigid structures (e.g., bones).
Formation of fluids (to support biological functions).
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