DNA structure

Where can unbound circular DNA be found in prokaryotes?

• In the nucleus

• In the cytosol

• In the mitochondria

• In the chloroplasts

In eukaryotic cells, where is DNA found besides the nucleus?

• In the ribosomes

• In the endoplasmic reticulum

• In the mitochondria and chloroplasts

• In the vacuoles

What is Genetics?

• The scientific study of diseases.

• The scientific study of heredity.

• The scientific study of plants.

• The scientific study of the environment.

What does DNA stand for?

• Deoxyribonucleic Acid

• Dioxynucleic Acid

• Deoxynucleic Acid

• Diboronucleic Acid

What is the function of DNA?

• It is used for energy storage.

• It contains instructions for the production of proteins by the cell.

• It helps in the digestion of food.

• It is a structural component of cell walls.

What are genes sections of?

• RNA

• Proteins

• DNA

• Cells

What is a gene considered to be when it is switched on?

• Mutated

• Duplicated

• Expressed

• Translated

What does the cellular machinery do when a gene is switched on?

• It copies the gene.

• It removes the gene.

• It 'reads' the gene and produces a specific protein.

• It 'reads' the gene and produces a specific carbohydrate.

Which of the following is a feature unique to prokaryotes?

• Have DNA

• Have ribosomes

• Lack nucleus

• Have plasma membrane

Which component is found in both prokaryotic and eukaryotic cells?

• Cell wall

• Nucleus

• Ribosomes

• Endoplasmic reticulum