DNA & Mutations

Front

What is a chromosome?

Back

A chromosome is an organized 'package' of DNA found in the nucleus of cells.

Front

What is a point mutation in which the amino acid does not change?

Back

A silent mutation.

Front

What disease is characterized by the destruction of red blood cells and episodic blocking of blood vessels?

Back

Sickle Cell Disease.

Front

What is a codon?

Back

A group of 3 nucleotides that code for an amino acid.

Front

What type of mutation occurs when one base is replaced by another?

Back

Substitution.

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for life.

Front

What is a mutation?

Back

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

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the cellular structures where proteins are synthesized from amino acids.

Front

What is the difference between a missense mutation and a nonsense mutation?

Back

A missense mutation results in a different amino acid, while a nonsense mutation creates a premature stop codon.

Front

What is the function of mRNA?

Back

mRNA (messenger RNA) carries the genetic information from DNA to the ribosome for protein synthesis.