EASY
Diploma
IMPORTANT
Earn 100

Deduce the structural formula of a triester formed from three long-chain carboxylic acid molecules, RCOOH, and one propane-1,2,3-triol molecule, HOCH2-CHOH-CH2OH. Identify one of the ester linkages in the structure by drawing a rectangle around it.

Important Questions on Biochemistry

EASY
Diploma
IMPORTANT

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.

State one example of each of the following types of fatty acids: saturated, monounsaturated, and poly-unsaturated

EASY
Diploma
IMPORTANT

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

EASY
Diploma
IMPORTANT
State the names of two other types of lipids present in the human body.
EASY
Diploma
IMPORTANT
Name two other types of lipids present in the human body.and compare their composition with that of triglycerides.
EASY
Diploma
IMPORTANT
Calculate the mass of sodium hydroxide required for the complete saponification of 5.0 moles of a triglyceride.
EASY
Diploma
IMPORTANT
Fats, such as butter, are solid triglycerides. Explain why fats have a higher energy value than carbohydrates.
MEDIUM
Diploma
IMPORTANT
Explain why linoleic acid has a lower melting point compared to stearic acid.
EASY
Diploma
IMPORTANT

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

Butanoic, palmitic, and stearic acids.