Chapters 18-20 Review Game

Front

What are tumor-suppressor genes responsible for?

Back

Suppressing tumor formation.

Front

How does the DNA in muscle cells differ from nerve cells?

Back

The DNA is identical in muscle and nerve cells.

Front

What technique is used to make many copies of a piece of DNA?

Back

Polymerase Chain Reaction (PCR).

Front

What is a regulatory gene?

Back

A gene that controls the expression of other genes and produces regulatory proteins.

Front

What are proto-oncogenes?

Back

Genes that regulate normal cell growth and division.

Front

What is the role of DNA in cells?

Back

DNA contains the genetic instructions for the development and function of living organisms.

Front

What is the function of repair genes?

Back

Repair genes are responsible for fixing DNA damage.

Front

What happens when proto-oncogenes are mutated?

Back

They can become oncogenes, which may lead to cancer.

Front

What is the significance of gene expression?

Back

Gene expression determines how genes are turned on or off, influencing cell function.

Front

What is the difference between a gene and a chromosome?

Back

A gene is a segment of DNA that codes for a protein, while a chromosome is a structure that contains many genes.