monomers, polymers and monosacharrides

Question 1

what is a monomer ?

Answer 1

smaller units which can create larger molecules and combine together to make a polymer

Question 2

what is meant by a polymer ?

Answer 2

a large molecule made from lots of monomers bonded together

Question 3

what are the 3 main monomers ?

Answer 3

• glucose (monosaccharides)
• amino acid
• nucleotide

Question 4

what is the polymer made up of lots of amino acids
?

Answer 4

protein

Question 5

what are the polymers made up of lots of nucleotides ?

Answer 5

DNA and RNA

Question 6

at are the 3 elements that all carbohydrates all contain ?

Answer 6

Carbon
Hydrogen
Oxygen

Question 7

into which 3 categories do we group the carbohydrates into ?

Answer 7

• monosaccharides
• disaccharides
• polysaccharides

Question 8

define a monosaccharide ?

Answer 8

• monosaccharides are the monomers from which larger carbohydrates are made

Question 9

it called when 2 units are bonded together ?

Answer 9

dimers

Question 10

what are the 3 examples of monosaccharides ?

Answer 10

glucose
fructose
galactose

Question 11

what are the 3 examples of disaccharides ?

Answer 11

sucrose
maltose
lactose

Question 12

what are the 3 examples of polysaccharides ?

Answer 12

starch
cellulose
glycogen

Question 13

write down the molecular formula of glucose ?

Answer 13

C6H12O6

Question 14

draw alpha glucose structure

Answer 14

from notes

Question 15

how do we number the carbons ?

Answer 15

start from the right of the oxygen and count round clockwise

Question 16

what is meant by an isomer ?

Answer 16

molecules with the same molecular formula but different structure

Question 17

what are the 2 isomers of glucose ?

Answer 17

alpha glucose and beta glucose

Question 18

what is the main difference of the 2 glucose isomers ?

Answer 18

on carbon 1 =
alpha glucose has hydrogen on top and hydroxyl on bottom
beta glucose has hydroxyl on top and hydrogen on the bottom