DNA structure

Front

What are the four types of nitrogenous bases in DNA?

Back

Adenine, Thymine, Guanine, Cytosine

Front

How many hydrogen bonds are typically formed between Adenine and Thymine?

Back

2

Front

True or False: DNA is found in the nucleus of a Prokaryotic Cell?

Back

False

Front

Chargaff found that the amount of Adenine in DNA always matched the amount of ____________.

Back

thymine

Front

What force causes the nitrogen bases to stay together?

Back

hydrogen bonds

Front

What is the structure of DNA?

Back

A double helix composed of two strands of nucleotides.

Front

What are nucleotides made of?

Back

A phosphate group, a sugar (deoxyribose), and a nitrogenous base.

Front

What is the role of DNA polymerase?

Back

It synthesizes new DNA strands by adding nucleotides to a growing chain.

Front

What is the significance of the 5' and 3' ends of a DNA strand?

Back

They indicate the directionality of the DNA strand, crucial for replication and transcription.

Front

What is complementary base pairing?

Back

The specific pairing of adenine with thymine and guanine with cytosine in DNA.