Biological Molecules

Question 1

What is a monosaccharide?

Answer 1

A simple sugar made up of 1 ring of C atoms

Question 2

What is a disaccharide

Answer 2

A simple sugar made uo of 2 rings of carbon atoms

Question 3

What is a polysaccharide

Answer 3

A long chain of sugar molecules chemically bonded together

Question 4

What is a polymer?

Answer 4

A large molecule made up of many smaller repeating units called monomers.

Question 5

What monosaccharide is used by cells in respiration?

Answer 5

Glucose

Question 6

What are lipids?

Answer 6

Fats and Oils that store energy

Question 7

Triglycerides (a common fat found in animals) are made up of what 2 main components?

Answer 7

Glycerol and Fatty acid chains

Question 8

What are the small molecules that are joined together to make a protein?

Answer 8

Amino Acids

Question 9

How many different amino acids are used in nature to make proteins?

Answer 9

20

Question 10

What does ‘denatured’ mean?

Answer 10

Exposure to high temperature can change the shape of a protein irreversibly - it has been ‘denatured’.