1.1 -1.2

Question 0

Properties of water?

Answer 0

High specific heat capacity 
High latent heat of vaporization 
High density 
Cohesion and surface tension
Good solvent & helps in transport 
Amphoteric 
Reactivity

Question 1

How are charges distributed on a water molecule?

Answer 1

It is unequal. Oxygen is slightly negative and hydrogen is slightly positive.
They are said to be polar.

Question 2

How is maltose formed?

Answer 2

By two alpha glucose molecules in a condensation reaction

Question 3

How is sucrose formed?

Answer 3

Alpha glucose and beta fructose molecules combined by a condensation reaction

Question 4

How is lactose formed?

Answer 4

Glucose and galactose in a condensation reaction

Question 5

How is triglycerides formed?

Answer 5

Molecule of glycerol condense and combines with 3 fatty acid molecules.

Question 6

What is good cholesterol and why?

Answer 6

HDL

Question 7

What is bad cholesterol and why?

Answer 7

LDL
They are saturated
They bind to receptor cells whilst circulating in the blood stream.
This cholesterol maybe deposited in artery walls forming artheromas

Question 8

Three main types of bonds which can be seen in tertiary structure?

Answer 8

Hydrogen bonds
Ionic bonds
Di sulphide bonds