Biological Molecules

Question 1

What are monomers

Answer 1

Individual molecules that join together to form log chains of polymers through polymerisation

Question 2

What is the monomer in a carbohydrate called

Answer 2

Single monomer is called a monosaccharide

Question 3

How to test for reducing sugars

Answer 3

Add food sample if not liquid grind up with water add equal amount of Benedicts reagent heat mixture gently
Turn from blue to orange brown colour

Question 4

What is a reducing sugar

Answer 4

Sugar can donate electrons to another chemical such as the benedicts which contain copper sulfate which gains an electron and forms red precipitate of copper oxide

Question 5

What is maltose join together to form

Answer 5

Glucose join to glucose

Question 6

What is sucrose

Answer 6

Glucose is joined to fructose

Question 7

How is lactose form

Answer 7

Glucose and galactose form together

Question 8

what are lipids

Answer 8

group of molecules which all have
carbon hydrogen and oxygen
the proprtion of oxygen to hydrogen and carbn is less than hat of carbohydrates
they are insoluble in watr but soluble in ethanol