Chemistry

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Sugars (carbohydrates)

Proteins

Fats (lipids)

DNA

Main categories

Slide 84

Hair, nails and

muscles are made

of Proteins

Protein structure

Slide 85

Sugars

Sugars are called carbohydrates.

They are made of a circle of carbons and one oxygen.

C

C

C

C

C

O

They can be linked in a chain to form COMPLEX sugars.

Slide 86

Slide 87

Fatty Acids are a kind of Fat or oil.

They are basically a

chain of carbons,

with a COOH group.

Fats (lipids)

COOH

group

Slide 88

DNA is

stored in the

Nucleus (center)

of the cell.

Slide 89

It is made up of four “letters” called A, G, T and C.

Slide 90

All plant and animal life on Earth contains what element?

sulfur

carbon

silicon

aluminum

Slide 91

Concentration

the amount of solute dissolved in a solvent.

Solvent

Solute

Low------------------- High

dilute dy loot concentrated

Slide 92

Solubility -how likely it is for a solute to dissolve in a solvent.

insoluble soluble

Low High

Slide 93

Wawa

Slide 94

=

Dey da same

Slide 95

Acid

Slide 96

Base

Slide 97

pH- the amount of H+ ions in a solution.

ACID

extra H+1 ions (protons)

BASE

fewer H+1 ions.

extra OH+1 ions.

Whatchyall lookin at bra ?

1 2 3 4 5 6 7 8 9 10 11 12

Slide 98

Weak ACID

Strong ACID

HCl Hydrochloric acid

H2SO4 Sulfuric acid

HNO3 Nitric acid

CH3COOH Acetic acid

H2CO3 Carbonic acid

Citric acid

Slide 99