Holt Life Science Ch.6 Review 2

Front

What is a string of nucleotides that has instructions for a certain trait?

Back

A gene.

Front

What type of mutation involves the omission of one base?

Back

Deletion.

Front

How many bases code for one amino acid?

Back

Three bases.

Front

What is a change in DNA sequence that can be harmful, helpful, or make no difference?

Back

Mutation.

Front

As messenger RNA is fed through the ribosome, it is matched with what?

Back

Transfer RNA.

Front

What is the role of messenger RNA in protein synthesis?

Back

It carries the genetic information from DNA to the ribosome.

Front

What is the function of transfer RNA?

Back

It brings amino acids to the ribosome during protein synthesis.

Front

What is the process called when DNA is copied to make RNA?

Back

Transcription.

Front

What is the process called when RNA is used to synthesize proteins?

Back

Translation.

Front

What are the building blocks of proteins?

Back

Amino acids.