DNA and RNA Quiz

What holds the two sides of the DNA ladder together?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Peptide bonds

In DNA, adenine always bonds with which base?

• Cytosine

• Guanine

• Thymine

• Uracil

What is different in each nucleotide found in DNA and RNA?

• Phosphate group

• Sugar molecule

• Nitrogenous base

• Hydrogen bond

What is the purpose of cells making copies of DNA?

• To store energy

• To prepare for cell division and protein synthesis

• To transport nutrients

• To eliminate waste

Where does transcription take place?

• Cytoplasm

• Ribosome

• Nucleus

• Mitochondria

What is the role of an exon in RNA?

• Codes for making a protein

• Does not contain information

• Stores energy

• Transports molecules

What organelle reads an RNA strand and assembles amino acids?

• Nucleus

• Ribosome

• Golgi apparatus

• Lysosome

What can mistakes made during DNA replication cause?

• Translation

• Transcription

• Mutation

• Replication

What is the process of making new DNA by copying an existing DNA molecule called?

• Translation

• Transcription

• Replication

• Mutation

What is the process of assembling a protein on the basis of information in an RNA molecule?

• Transcription

• Translation

• Replication

• Mutation