Biological Molecules: Roles of Water.

Question 1

What is the first role in water?

Answer 1

= Solvent- lots of substances can dissolve in water.

Question 2

What is the second role for water?

Answer 2

= Habitat.
= Bodies of water contain dissolved oxygen.
= Used by aquatic organisms for respiration

Question 3

What is the third role of water?

Answer 3

= Transport substances
= E.g: Blood Plasma + Xylem vessels.

Question 4

What is the forth role of water?

Answer 4

= Metabolic reactions- water is a reactant.
e/g: hydrolosis, photosynthesis.
= water is produced in some of these reactions- condensation and aerobic respiration.

Question 5

What are the roles of water?

Answer 5

= solvent
= habitat
= transport substances
= important in metabolic reactions.