Biology Fall Final Review

Front

What is the process of transcribing DNA to mRNA called?

Back

Transcription

Front

What are the building blocks of DNA?

Back

Nucleotides

Front

How do muscle cells and nerve cells differ despite having the same DNA?

Back

They express different proteins.

Front

What is the main purpose of the cell cycle?

Back

To ensure accurate DNA replication and distribution.

Front

What role do enzymes play in chemical reactions?

Back

They lower the activation energy required.

Front

What are the four main components of a nucleotide?

Back

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

Front

What is the function of mRNA in protein synthesis?

Back

To carry genetic information from DNA to the ribosome.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine; RNA is single-stranded and contains uracil.

Front

What is a mutation?

Back

A change in the DNA sequence that can lead to changes in protein function.

Front

What is the significance of the genetic code?

Back

It determines how sequences of nucleotides are translated into proteins.