Unit 7 - DNA Structure and Replication Review

Front

Who used x-ray crystallography to create the first image of DNA?

Back

Rosalind Franklin

Front

Which scientists discovered the physical structure of DNA?

Back

James Watson and Francis Crick

Front

What is the result of DNA replication?

Back

Two DNA molecules, each with one new strand and one original strand (Semi-conservative).

Front

What solution is used to break down the cell membrane in DNA extraction?

Back

Soapy, salty solution.

Front

What enzyme matches up the bases during DNA replication?

Back

DNA Polymerase.

Front

What is the shape of DNA?

Back

Double helix.

Front

What is the role of helicase in DNA replication?

Back

Unwinds the DNA double helix.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G).

Front

What is Chargaff's rule?

Back

In DNA, the amount of adenine equals thymine, and the amount of cytosine equals guanine.