DNA Test R

Front

What is the end result of DNA replication?

Back

Two new identical strands of DNA.

Front

Why is DNA important?

Back

It serves as the blueprint for traits of all living things.

Front

What is a nucleotide?

Back

The basic building block of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the structure of DNA commonly referred to as?

Back

Double helix.

Front

Who were the scientists that proposed the double helix model of DNA?

Back

Watson and Crick.

Front

What did Rosalind Franklin contribute to the understanding of DNA?

Back

She produced X-ray diffraction images that helped reveal the helical structure of DNA.

Front

What are Chargaff's rules?

Back

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

Front

What is the function of DNA polymerase?

Back

An enzyme that synthesizes new DNA strands by adding nucleotides to a growing chain.

Front

What is the role of hydrogen bonds in DNA?

Back

They hold the two strands of the DNA double helix together by connecting complementary nitrogenous bases.

Front

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

Back

They indicate the directionality of the DNA strand, which is important for replication and transcription.