DNA and DNA Replication

Front

What are the two molecules that form the sides (backbone) of the DNA ladder?

Back

Deoxyribose sugar and phosphate.

Front

What units are repeatedly joined together to form a strand of DNA?

Back

Nucleotides.

Front

Which enzyme is responsible for adding nucleotides during DNA replication?

Back

DNA Polymerase.

Front

In which organelle is DNA usually found?

Back

Nucleus.

Front

What is the nature of DNA that describes its two strands running in opposite directions?

Back

Anti-parallel.

Front

What is the basic unit of DNA called?

Back

Nucleotide.

Front

What are the three components of a nucleotide?

Back

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

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What type of bond holds the nitrogenous bases together in the DNA double helix?

Back

Hydrogen bonds.

Front

What is the process called by which DNA makes a copy of itself?

Back

DNA replication.