2c. Biological molecules

Question 1

What elements are carbohydrates made up of?

Answer 1

Carbon, hydrogen and oxygen

Question 2

What elements are fats made up of?

Answer 2

Carbon, hydrogen and oxygen

Question 3

What elements are proteins made up from?

Answer 3

Carbon, hydrogen, oxygen and nitrogen

Question 4

What are starch and glycogen composed from?

Answer 4

Composed of simple sugars

Question 5

What is protein composed of?

Answer 5

Amino acids

Question 6

What are lipids composed of?

Answer 6

Fatty acids and glycerol

Question 7

What is an enzyme?

Answer 7

A biological catalyst that speeds up the rate of reaction without being used up or affected

Question 8

How does temperature and pH affect an enzyme’s activity?

Answer 8

As the temperature increases towards the optimum temperature, the activity increases. But when the temperature surpasses the optimum temperature the enzyme will start to denature, so it will becomes useless. Same happens with the pH.