DNA Structure/History

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, nitrogen base.

Front

Cytosine always pairs with which nitrogen base?

Back

Guanine.

Front

What did Erwin Chargaff conclude from his experiments?

Back

A and T, C and G always occur in equal amounts.

Front

What was Watson and Crick's main scientific accomplishment?

Back

Building the first accurate model of DNA.

Front

In DNA, Adenine bonds with which nitrogen base?

Back

Thymine.

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the role of DNA polymerase in DNA replication?

Back

It synthesizes new DNA strands by adding nucleotides.

Front

What is the significance of the base pairing rules in DNA?

Back

They ensure accurate replication and transcription of genetic information.

Front

What is the function of the phosphate group in a nucleotide?

Back

It links the sugar of one nucleotide to the sugar of another, forming the DNA backbone.