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Flashcards in Biology Deck (25)
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1

Iodine

Starch (presence)
→ orange-brown to blue-black

2

Biuret Solution

Protein
→ Blue to violet

3

Ethanol

Lipids
→ Cloudy

4

Benedict’s solution

Reducing sugar
→ Orange/red

5

Carbohydrates

Energy

6

Fats

Energy and storage

7

Protein

Growth and repair

8

Fibre
Water

Prevent constipation

9

Minerals

Maintain health

10

Vitamins C

Skin, Hair, Gums, bones

11

Vitamin D
Calcium

Strong bones and teeth

12

Iron

Blood (pigment)

13

Vitamin D deficiencies

Rickets (sunlight)

14

Iron deficiency

Anaemia

15

Coronary Heart Disease

Fat deposits build up in arteries and reducing the flow of blood to the heart.

16

Obesity

Extra energy stored as fat
--> Heart disease and diabetes 糖尿病

17

Scurvy

Lack of Vitamin C
--> Dark spots on the skin
--> Bleeding gums

18

Chemical Digestion

Large, insoluble --> Small, soluble

19

Absorption

Intenstine --> Blood

20

Assimilation

Movement of digested food molecules into the cells

21

Egestion

Passing out of food that is not being digested. 排泄

22

Amylase

Produced in mouth and pancreas

Secreted in the alimentary canal and the first part of the small intestine

23

Protease

Protein into amino acids

Stomach and small intestine

24

Lipase

Fats into fatty acids and glycerol

Produced in pancreas and secreted into small intestine (duodenum)

25

Bile

Produced in the liver.
Stored in gallbladder.