EASY
Diploma
IMPORTANT
Earn 100

There are several types of lipids in the human body. One of these types, triglycerides, might be made of fatty acids with different degrees of saturation.

Describe, by copying and completing the equation below, the condensation of glycerol and the three fatty acids named below to make a triglyceride.palmitic acid oleic acid, and linolenic acid.

Question Image

Important Questions on Biochemistry

EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 4
State the names of two other types of lipids present in the human body.
EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 4
Name two other types of lipids present in the human body.and compare their composition with that of triglycerides.
EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 5
Calculate the mass of sodium hydroxide required for the complete saponification of 5.0 moles of a triglyceride.
EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 6
Fats, such as butter, are solid triglycerides. Explain why fats have a higher energy value than carbohydrates.
MEDIUM
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 6
Explain why linoleic acid has a lower melting point compared to stearic acid.
EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 7

Predict and explain which fatty acid has the highest melting point in the given group.

Butanoic, palmitic, and stearic acids.

MEDIUM
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 7

Predict and explain which fatty acid has the highest melting point in the given group.

Oleic, linoleic, and linolenic acids.

EASY
Diploma
IMPORTANT
Oxford IB Diploma Programme Chemistry Course Companion>Chapter 23 - Biochemistry>Questions>Q 8
Chocolate is a luxury food made from cocoa, sugars, unsaturated vegetable fats, milk whey, and emulsifiers. Bars of chocolate sold in hot climates are made with a different blend of vegetable fats from bars sold in cold climates.
Explain why fats with different physical properties are used for making chocolate solid in different climates.