– carbohydrates – lipids (fats) – proteins – nucleic acids organic molecules are the...

–Carbohydrates –Lipids (fats) –Proteins –Nucleic Acids •Organic molecules are the molecules in living things •There are four types of organic (carbon -based) molecules :

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–Carbohydrates–Lipids (fats) –Proteins –Nucleic Acids

• Organic molecules are the molecules in living things• There are four types of

organic (carbon-based) molecules:

Nucleic Acids

• DNA and RNA• Instructions for

making proteins• Made from

chains of nucleotides

Page 3: – Carbohydrates – Lipids (fats) – Proteins – Nucleic Acids Organic molecules are the molecules in living things There are four types of organic (carbon-based)

Function

• Store and communicate genetic information

Page 4: – Carbohydrates – Lipids (fats) – Proteins – Nucleic Acids Organic molecules are the molecules in living things There are four types of organic (carbon-based)

Nucleotides*Nucleotides are the building blocks/monomers of

nucleic acids Three parts:• A sugar• A phosphate group• A nitrogen base

Page 5: – Carbohydrates – Lipids (fats) – Proteins – Nucleic Acids Organic molecules are the molecules in living things There are four types of organic (carbon-based)

The Double Helix of DNA

• Two strands, like a ladder. –Rails = alternating

sugars and phosphates –Rungs = nitrogen bases –Bases hold strands

together• Double helix

Page 6: – Carbohydrates – Lipids (fats) – Proteins – Nucleic Acids Organic molecules are the molecules in living things There are four types of organic (carbon-based)

The Single Helix of RNA

• RNA is a copy of DNA. • RNA has one strand• Rail = sugar and

phosphate• The bases hang from the

sugars

Page 7: – Carbohydrates – Lipids (fats) – Proteins – Nucleic Acids Organic molecules are the molecules in living things There are four types of organic (carbon-based)

_____Polymer Monomer____

Carbohydrate Monosaccharide

Lipid Fatty acid

Protein Amino Acid

Nucleic Acid Nucleotide

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