2c Biological Molecules

Question 1

Identify chemical elements presents in carbohydrates, protein and lipids (fasts and oils)

Answer 1

Carbohydrates- carbon, hydrogen, oxygen
Proteins- carbon, hydrogen, oxygen, nitrogen
Lipids- carbon, hydrogen, oxygen

Question 2

Structure of carbohydrates

Answer 2

Large molecules (starch and glycogen) from smaller basic units (simple sugars)

Question 3

Structure of proteins

Answer 3

Large molecules (protein) from smaller basic units (amino acids)

Question 4

Structure of lipids

Answer 4

Large molecules (lipids) from smaller basic units (fatty acids and glycerol)

Question 5

practical: investigate food samples for the prescience of glucose, starch, protein and fat (glucose)

Question 6

practical: investigate food samples for the prescience of glucose, starch, protein and fat (protein)

Question 7

practical: investigate food samples for the prescience of glucose, starch, protein and fat (starch)

Question 8

practical: investigate food samples for the prescience of glucose, starch, protein and fat protein (fat)

Question 9

role of enzymes as biological catalysts in metabolic reactions

Question 10

how does temperature affect enzyme function?

Question 11

practical: investigate how enzyme activity cab. Be affected by changes in temperature

Question 12

how is enzyme function affected by changes in pH