biology AS

Question 1

what is a monomer, give an example

Answer 1

smaller units which join together to create larger molecules e.g. glucose, amino acid, nucleotide

Question 2

what is a polymer, give an example

Answer 2

a larger molecule which is made of many monomers bonded together e.g. cellulose, glycogen, starch, DNA, proteins

Question 3

what are the 3 main monosaccharides and what do they make?

Answer 3

glucose + glucose = maltose + water
glucose + galactose = lactose + water
glucose + fructose = sucrose + water

Question 4

what is an isomer?

Answer 4

a molecule that has the same molecular formula but has a different structure