Biology Quiz on DNA and RNA Processes

What is the process called where DNA is converted into mRNA?

• Replication

• Transcription

• Translation

• Mutation

What are the three components of a nucleotide?

• Nitrogenous base, five-carbon sugar, phosphate group

• Amino acid, lipid, carbohydrate

• Protein, enzyme, lipid

• Glucose, fructose, sucrose

What type of backbone joins nucleotides together?

• Sugar-phosphate backbone

• Protein-lipid backbone

• Amino acid backbone

• Carbohydrate backbone

What are the two types of nitrogenous bases found in nucleic acids?

• Purines and Pyrimidines

• Sugars and Phosphates

• Adenine and Thymine

• Cytosine and Guanine

Which base pairs with Adenine in DNA?

• Cytosine

• Guanine

• Thymine

• Uracil

What type of bond holds the nitrogenous bases together in the DNA structure?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Peptide bond

Which nitrogenous base is found only in RNA?

• Thymine

• Uracil

• Guanine

• Adenine

Who were the scientists involved in the discovery of the 3-D structure of DNA in the 1950s?

• Albert Einstein and Niels Bohr

• Rosalind Franklin and Maurice Wilkins

• Marie Curie and Louis Pasteur

• Gregor Mendel and Charles Darwin

Which base pairs with adenine (A) in RNA?

• Cytosine (C)

• Guanine (G)

• Thymine (T)

• Uracil (U)

Which base pairs with guanine (G) in DNA?

• Adenine (A)

• Thymine (T)

• Cytosine (C)

• Uracil (U)