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Summary Lipids Notes - A Level Biology

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Detailed notes on Lipids (including triglycerides and phospholipids) that are specification specific AQA Exam Board

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lipids

lipids
What are triglycerides composed of?
1 glycerol molecule and 3 fatty acid
chains

What kind of bond is formed between a glycerol molecule and fatty acid molecule?

Ester bond

What kind of reaction forms the ester bond?
Condensation reaction

What is the main function of triglycerides?

Energy storage molecules

Why do triglycerides release more energy than the same mass of carbohydrates?

High ratio of C-H bonds to C atoms in hydrocarbon tail

Why do triglycerides have no effect on the water potential of a cell?
They are insoluble in water

phospholipids
What are phospholipids composed of?

1 glycerol molecule, 2 fatty acid chains
and 1 phosphate-containing group

lipids 1

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Study Level: A/AS Level
Examinator: AQA
Subject: A Level Biology
Unit: Unit 1 - Biological molecules

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Uploaded on: November 22, 2022
Number of pages: 3
Written in: 2022/2023
Type: SUMMARY

Subjects

a level
biology
biological molecules
aqa
lipids
triglycerides
phospholipids
biology a level
active recall
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Summary Lipids Notes - A Level Biology

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