DNA and DNA Replication 24-25

Front

What is the process in which the genetic makeup of an organism is altered?

Back

Genetic Engineering

Front

What type of bond joins nitrogenous bases in DNA?

Back

Hydrogen bonds

Front

In which organelle is DNA usually found?

Back

Nucleus

Front

Which nitrogenous base does Adenine bond with?

Back

Thymine

Front

What does DNA code for?

Back

Proteins

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What is the structure of DNA?

Back

A double helix.

Front

What is the role of DNA polymerase in DNA replication?

Back

It synthesizes new DNA strands by adding nucleotides.

Front

What is the function of helicase in DNA replication?

Back

It unwinds the DNA double helix.

Front

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

Back

They indicate the direction in which DNA is synthesized.