biological molecules and Nutrition

Question 1

examples of monosacharide

Answer 1

glucose,fractose,glactose

Question 2

examples of disacharide

Answer 2

maltose,sucrose,lactose

Question 3

examples of polysaccharide

Answer 3

starch,glycogen,cellulose

Question 4

carbohydrates are stored as—-in plants

Answer 4

starch

Question 5

carbohydrates are stored as—–in animals

Answer 5

glycogen

Question 6

structure of fats

Answer 6

four small molecules joined together one of these is glycerol attached to three long molecules called fatty acids

Question 7

structure of protiens

Answer 7

made of long chains of smaller molecules called ammino acids

Question 8

compostion of carbohydrates and fats

Answer 8

carbon,hydrogen,oxygen

Question 9

compostion of protien

Answer 9

carbon,hydrogen,oxygen,nitrogen and sometimes sulfur

Question 10

cataylst

Answer 10

a substance that increases the rate of a chemical reaction and is not changed by the reaction

Question 11

enzyme

Answer 11

are protiens that act as biological catalysts which speeds up the reactions inside the living organism without being changed

Question 12

substrate

Answer 12

is the substance that enzyme acts on

Question 13

enzymes are affected by

Answer 13

temperuture increase the rate of reaction increases ,particles gain more kinetic energy so more sucessful collisions between the substrate molecules and the active site
ph

Question 14

Importance of carbs

Answer 14

Source of energy

Question 15

Importance of fats

Answer 15

Source and store of energy, form insulating layer under skin,form a protective layer over sensitive organs

Question 16

Importance of protien

Answer 16

Growth,tissue repair,make hormones, antibodies

Question 17

Importance of vitamin c

Answer 17

Stick cells together for healthy skin and gums and prevent scurvy

Question 18

Importance of vitmin d

Answer 18

Help absorption of calcium into bones and prevent rickets

Question 19

Importance of vitamin A

Answer 19

Prevent night blindness,form photochemical in retina to help night blidness

Question 20

Importance of iron

Answer 20

Prevent anemia
Formation of hemoglobin

Question 21

Importance of calcium

Answer 21

Prevent rickets
Formation of bones and teeth

Question 22

Importance of water

Answer 22

Solvent for metobolic reaction
Transport and cooling of the body (sweating)

Question 23

Example of carbs

Answer 23

Sugar and starch

Question 24

Example of fats

Answer 24

Milk,plant oil

Question 25

Example of protien

Answer 25

Egg,bean,meat,milk

Question 26

Example of dietary fibre

Answer 26

Whole bread, fruits, vegetables

Question 27

Example of vitamin c

Answer 27

Citrus fruit

Question 28

Example of vitamin D

Answer 28

Exposure to sunlight Eggyolk

Question 29

Example of vitamin A

Answer 29

Green vegetables

Question 30

Example of iron

Answer 30

Red meat Liver

Question 31

Example of calcium

Answer 31

Milk

Question 32

Where water in

Answer 32

All food and drinks

Question 33

Is monosharide and disacharide soulble or insoluble

Answer 33

Soluble

Question 34

Is polyscharide soluble or insoluble

Answer 34

Insoluble

Question 35

Importance of dietary fibre/roughage

Answer 35

Stimulates prestalsis,prevent consitpation,protect against colon cancer

Question 36

What optimum temperature of enzyme activity

Answer 36

37

Question 37

What happen after optimum temperature of enzyme activity

Answer 37

Rate of reaction decrease, as enzymes denatured and active site change and substrate will no longer fit