DNA is the Genetic Material

The “backbone” of DNA molecule is made of?

The “backbone” of DNA molecule is made of?

Sugar and phosphate

What did Griffith conclude?

heat killed bacteria passed their disease-causing ability

What did Griffith study?

studied bacteria that caused pneumonia

What did Avery Study?

Studied transforming factors and modified Griffiths experiment

What did Avery conclude?

DNA is the transforming factor

What did Hersey-Chase study?

Studied viruses and wanted to see if protein or DNA is the genetic material of a bacteriophage

What did Hershey-Chase conclude?

DNA is the genetic material not protein

What does DNA stand for?

Deoxyribonucleic acid

What scientist were involved in discovering the structure of DNA?

Francis Crick, Rosalind Frankling, James Watson, and Maurice Wilkins

What is bacteriophage

Virus that infects bacteria and is composed of a DNA or RNA core and a PROTEIN COAT

What is the “backbone” of DNA held together by?

Strong Covalent bonds

4 types of nitrogenous bases?

Adenine, Guanine, Cytosine, and Thymine

What is Adenine and Guanine structure called?

Purines

What is Cytosine and Thymine structure called?

Pyrimidines

How many rings do purines have?

2 rings

How many rings do pyrimidines have?

1 ring

What is the shape of DNA?

Double Helix

Where is DNA found?

All cells and all living organisms

What do cells store?

Cells store genetic information as code

What are the building blocks of DNA?

Sugar, phosphate, and Nitrogen

What bonds do Adenine and Thymine form?

2-h bonds

What bonds do Cytosine and Guanine form?

3-h bonds

What are codes used for?

To make proteins

What are chromosomes made of?

They’re made of DNA

Twisting of double helix caused by?

Pull of Hydrogen Bonds

Building Blocks DNA =

Nucleotides