Biological molecules

Question 1

carbohydrates

Answer 1

sugar, rice, pasta, bread

Question 2

lipids

Answer 2

oil, butter, fats

Question 3

proteins

Answer 3

meat, eggs, beans

Question 4

fiber

Answer 4

vegetables, fruits

Question 5

minerals

Answer 5

vegetables, fruits, seeds

Question 6

vitamines

Answer 6

vegetables and fruits

Question 7

water

Answer 7

water

Question 8

chemical elements

Answer 8

carbs - CHO
lipids - CHO
proteins - CHONS

Question 9

larger molecules are made from smaller molecules, what are they

Answer 9

carbs - glycogen, cellulose, glucose
lipids - fatty acids, glycerol
proteins - amino acids

Question 10

carbs (saccharides)

Answer 10

polysaccharides
monosaccharides- glucose and fructose
disaccharides - sucrose
broken down by amylase into smaller molecules

Question 11

lipids (saccharides)

Answer 11

triglyceride
broken down by lipase into smaller molecules

Question 12

proteins (saccharides)

Answer 12

polypeptides
broken down by protease into smaller molecules

Question 13

test for molecules

Answer 13

iodine solution - starch
Benedict’s solution - natural sugars
biurets solution - protein
ethanol - lipids/fats
DCPIP - vitamin C

Question 14

carbs are a

Answer 14

fast source of energy

Question 15

lipids help in

Answer 15

insulation and long term energy

Question 16

proteins help in

Answer 16

the immune system, muscle building and enzymes