dna

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3.3.B.a Describe the chemical and structural properties of DNA (e.g., DNA is a large polymer formed from linked subunits of four kinds of nitrogen bases; genetic information is encoded in genes based on the sequence of subunits; each DNA molecule in a cell forms a single chromosome) (Assess the concepts – NOT memorization of nitrogen base pairs) DOK: 1

Tuesday, March 9, 2010

DNA

Tuesday, March 9, 2010

DNADeoxyribonucleic Acid

Tuesday, March 9, 2010

DNA is shaped like a

double helix

Tuesday, March 9, 2010

DNA is a large polymer formed by linking

nucleotides.

Tuesday, March 9, 2010

DNA is a large polymer formed by linking

nucleotides.

Tuesday, March 9, 2010

Tuesday, March 9, 2010

Nucleotides have 3 parts:

Tuesday, March 9, 2010

Nucleotides have 3 parts: 1. Sugar

Tuesday, March 9, 2010

Nucleotides have 3 parts: 1. Sugar 2. Phosphate

Tuesday, March 9, 2010

Nucleotides have 3 parts: 1. Sugar 2. Phosphate3. Nitrogen Base

Tuesday, March 9, 2010

Nucleotides have 3 parts: 1. Sugar 2. Phosphate3. Nitrogen Base

Tuesday, March 9, 2010

Nitrogen Bases come in 4 amazing

flavors (A, T, G, and C)!

Tuesday, March 9, 2010

Nitrogen Bases come in 4 amazing

flavors (A, T, G, and C)!

Tuesday, March 9, 2010

Tuesday, March 9, 2010

Genetic information is encoded in the

sequence of nitrogen bases

Tuesday, March 9, 2010

Genetic information is encoded in the

sequence of nitrogen bases

ATGCTTAAAGCTATA

Tuesday, March 9, 2010

Genetic information is encoded in the

sequence of nitrogen bases

ATGCTTAAAGCTATA TACGAATTTCGATAT

Tuesday, March 9, 2010

Genetic information is encoded in the

sequence of nitrogen bases

ATGCTTAAAGCTATA TACGAATTTCGATAT

Tuesday, March 9, 2010

Genetic information is encoded in the

sequence of nitrogen bases

ATGCTTAAAGCTATA TACGAATTTCGATAT

These “coding sequences”

are known as genes.

Tuesday, March 9, 2010

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

DNA

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

DNA

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

DNA Protein

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

Characteristics are the physical expression

of the proteins we make!!!

DNA Protein

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

Characteristics are the physical expression

of the proteins we make!!!

DNA Protein

Tuesday, March 9, 2010

Each gene codes for the production of a

specific protein.

Characteristics are the physical expression

of the proteins we make!!!

DNA Protein trait

Tuesday, March 9, 2010

Each DNA molecule in a cell forms a

single chromosome.

Tuesday, March 9, 2010

Each DNA molecule in a cell forms a

single chromosome.

Tuesday, March 9, 2010

Each DNA molecule in a cell forms a

single chromosome.

There are 23 pairs of

chromosomes in the nucleus

of every human body cell.

Tuesday, March 9, 2010

Tuesday, March 9, 2010

So why care?

Tuesday, March 9, 2010

So why care?

Tuesday, March 9, 2010

So why care?

Tuesday, March 9, 2010

So why care?

Tuesday, March 9, 2010

So why care?

Tuesday, March 9, 2010

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