Biological Molecules IGCSE Biology

Front

What are the chemical elements found in lipid molecules?

Back

Carbon, hydrogen & oxygen.

Front

What is glycogen an example of?

Back

A complex carbohydrate.

Front

What is glycerol used to build?

Back

Lipids.

Front

If yellow and blue circles represent amino acids, what does the whole structure represent?

Back

A protein.

Front

How many different types of amino acids are there?

Back

20.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

What is the primary function of carbohydrates in living organisms?

Back

To provide energy.

Front

What is the difference between simple and complex carbohydrates?

Back

Simple carbohydrates are sugars, while complex carbohydrates are made of longer chains of sugar molecules.

Front

What are lipids primarily used for in the body?

Back

Energy storage and insulation.

Front

What is the role of enzymes in biological reactions?

Back

To speed up chemical reactions.