1.1.2 - The Importance Of Water In Transport

Question 1

Describe Water
(4 Points)

Answer 1

~ Polar molecule, due to uneven distribution of charge.
~ 80% of cells contents.
~ Polar solvent, meaning some substances dissolve in it.
~ Is a transporter, transports things such as glucose and oxygen around organisms.

Question 2

What Type Of Nature Does Water Have?

Answer 2

Dipole nature.

Question 3

What Does Dipole Mean?
(3 Points)

Answer 3

~ Means there is a negative charge on one side and on the other is a positive charge.
~ Making cohesive and a good solvent.
~ These properties make water good at transporting substances.

Question 4

What Does Being Dipole Make Water?
(3 Points)

Answer 4

~ Very cohesive.
~ Good solvent.
~ Good at transporting substances.

Question 5

What Is Cohesion?

Answer 5

The attraction between molecules of the same type. E.g. 2 water molecules.

Question 6

What Does Cohesion Help Water To Do?
(2 Points)

Answer 6

~ Flow.
~ Transport substances.

Question 7

What Is Cohesion And Adhesion Created By?

Answer 7

Hydrogen bonding between water molecules.

Question 8

What Is Waters Simple Structure?

Answer 8

Consists of 2 hydrogen atoms covalently bonded to one oxygen atom.

Question 9

What Does Hydrogen Bonding In Water Cause?

Answer 9

Makes water have a high specific heat capacity, meaning that a lot of energy is required to changes the temperature of water.

Question 10

What Do Mass Transport Systems Do?
(2 Points)

Answer 10

~ Carry raw materials from specialised exchanged organs to body cells.
~ To remove metabolic waste.