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Four Types of Organic Molecules

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Presentation on theme: "Four Types of Organic Molecules"— Presentation transcript:

1 Four Types of Organic Molecules
Made by cells Contains carbon

2 CARBOHYDRATES PROTEINS NUCLEIC ACIDS LIPIDS

3 All four are macromolecules because of their large size.
The largest Macromolecules are called polymers Created by linking smaller subunits called monomers.

4 1. Carbohydrates monosaccharides - one ring sugars
glucose, galactose and fructose * A 6-carbon sugar * Found in peas. * A 5-carbon sugar * A 6-carbon sugar * the sugar that sweetens fruit * The sugar in our blood

5 Diabetes Disease characterized by high levels of blood glucose resulting from defects in insulin production Monitored with blood glucose device.

6 disaccharides - two monosaccharides (2 ring sugar)
Glucose + fructose = Sucrose (table sugar) Glucose + galactose = Lactose (milk sugar) Glucose + glucose = Maltose (malt sugar)

7 Lactose intolerant If the enzyme lactase is not present, the body is unable to break down lactose. Allowing it to reach the large intestines. Normally, sugars do not reach the large intestine. This is what causes a stomach ache!

8 polysaccharides - long chains of repeating units of monosaccharides, these are energy storing molecules. starch (plants produce for a storage molecule.) cellulose (plants produce for cell wall construction.) indigestible because we lack enzymes to break it down. glycogen (storage molecule in muscle and liver cells.)

9 Starch, Cellulose & Glycogen
                                                                                                                                                                                                                                                                 All the sugars are oriented in the same direction Branched or "forked" Every other sugar molecule is "upside-down

10 2. Protein Made of a long chain of amino acids

11 Proteins function as… Support
keratin for hair and nails & collagen for ligaments, tendons, skin

12 Proteins function as… Enzymes to speed up reactions
Example: Amylase is an enzyme in saliva that breaks starch into glucose monomers. Saliva Saliva Identification - Amylase

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14 Proteins function as… Transport across cell membranes
Hemoglobin Defense from infection Antibodies Hormones Insulin Insulin is a hormone that helps your body use glucose.

15 Protein structure is key to their ability to function.
**A protein can be denatured, heat causes it to lose its shape, and its functionality..

16 3. Nucleic Acids Stores information
Two types: DNA (deoxyribonucleic acid) RNA (ribonucleic acid)

17 Nucleotides are the building blocks of Nucleic acids.

18 4. Lipids Hydrophobic – Will not mix with water Types of Lipids:
Phospholipids - form cell membranes The polar heads are towards the water, the nonpolar tails are on the inside of the cell.

19 Steroids cell messengers
examples: testosterone, estrogen Waxes protection & waterproofing

20 Triglycerides fats and oils
fats are made of chains of fatty acids

21 Saturated & Unsaturated
Saturated - no double bonds solid at room temperature Unsaturated - have double bonds liquid at room temperature

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