EOC Biomolecules & enzymes

Front

What is a biomolecule?

Back

A biomolecule is a large molecule that is essential for life, including carbohydrates, proteins, lipids, and nucleic acids.

Front

What are the four main types of biomolecules?

Back

The four main types of biomolecules are carbohydrates, proteins, lipids, and nucleic acids.

Front

What is the primary function of enzymes in biological systems?

Back

Enzymes act as catalysts to speed up chemical reactions by lowering the activation energy required.

Front

What is the pH level of the stomach and why is it important?

Back

The pH level of the stomach is around 2, which is important for activating digestive enzymes like pepsin.

Front

What happens to pepsin when it enters the small intestine?

Back

Pepsin becomes inactive due to the higher pH levels in the small intestine.

Front

What is a carbohydrate?

Back

A carbohydrate is a biomolecule made up of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1.

Front

What are monosaccharides?

Back

Monosaccharides are the simplest form of carbohydrates, consisting of single sugar molecules like glucose and fructose.

Front

What is the role of lactase in digestion?

Back

Lactase is an enzyme that breaks down lactose, a sugar found in milk, into monosaccharides.

Front

What is the difference between a saturated and unsaturated fat?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.

Front

What are proteins made of?

Back

Proteins are made of amino acids, which are linked together by peptide bonds.