DNA: An overview Quiz

When was DNA first discovered?

• 1962

• 1953

• 1940s

• 1869

Who determined the structure of DNA and its method of replication?

• Rosalind Franklin

• Maurice Wilkins

• Francis Crick

• James Watson

What is the shape of DNA called by scientists?

• Single helix

• Triple helix

• Double helix

• Spiral helix

What are the molecules that make up DNA?

• Carbohydrates

• Amino acids

• Nucleotides

• Proteins

What are the four different molecules that can be a base in DNA?

• Adenine, Guanine, Cytosine, Uracil

• Adenine, Guanine, Cytosine, Thymine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Thymine, Cytosine, Nanosine

Where are chromosomes located in a cell?

• Mitochondria and chloroplasts

• Nucleus, mitochondria, and chloroplasts

• Nucleus and chloroplasts

• Nucleus and mitochondria

What is the process of making DNA copies called?

• Mutation

• Replication

• Transcription

• Translation

What do genes contain instructions for making?

• Lipids

• Carbohydrates

• Proteins

• Nucleotides

What is RNA also known as?

• Ribonucleic acid

• Messenger RNA

• Transfer RNA

• Deoxyribonucleic acid

What happens when a coding error occurs in RNA?

• The correct amino acid is produced

• The protein chain is lengthened

• The wrong amino acid is produced

• The protein chain is shortened