Unit 5: DNA/RNA/Proteins/Mutations

Front

A section of DNA that codes for one particular protein is called a __________.

Back

gene

Front

Protein synthesis (making proteins) takes place in two parts: __________ then __________.

Back

Transcription then translation

Front

The number of nitrogen bases in a codon is __________.

Back

3

Front

Before the cell divides, what process needs to happen to DNA? __________.

Back

Replication

Front

In messenger RNA, each codon specifies (or codes for) a particular __________.

Back

Amino Acid

Front

What is the role of DNA in cells? __________.

Back

DNA stores genetic information.

Front

What is the function of RNA? __________.

Back

RNA helps in the synthesis of proteins.

Front

What are the three types of RNA? __________.

Back

mRNA, tRNA, rRNA

Front

What is a mutation? __________.

Back

A change in the DNA sequence.

Front

What can cause mutations? __________.

Back

Mutagens, errors in DNA replication, environmental factors.