Functions of Biological Molecules Flashcards Preview

Biology - Unit 1 > Functions of Biological Molecules > Flashcards

Flashcards in Functions of Biological Molecules Deck (14):
1

What is the function of glucose?

Broken down during respiration to provide chemical energy

2

What is the function of starch?

Energy storage carbohydrate in plants.

3

What is the function of glycogen?

Energy storage carbohydrate in animals.

4

What is the function of cellulose?

Structural carbohydrate in plant cell walls

5

What are lipids classified as?

Biological molecules which are insoluble in water but soluble in organic solvents such as ethanol.

6

What are the functions of the triglycerides?

Long term storage of energy (plants and animals)
Thermal insulation in homeotherms.

7

What is the function of phospholipids?

Structural, as part of the membrane.

8

What is the function of steroids?

Hormonal, such as testosterone and oestrogen.
Structural, as part of the plasma membrane.

9

What does a gene code for?

A polypeptide.

10

What are the functions of proteins?

Catalytic
Structural
Messenger
Carriers

11

Give an example of a catalytic protein.

Enzymes such as DNA polymerase and kinase

12

Give an example of a structural protein.

Tubulin in the cytoskeleton
Collagen in the bone

13

Give an example of a messenger protein.

Hormones such as ADH and insulin

14

Give an example of a carrier protein

Membrane proteins such as aquaporin