DNA Quiz

How many different kinds of bases can be found on DNA?

• 2

• 3

• 4

• 5

Which nitrogenous base in DNA is replaced by Uracil in RNA?

• Adenine

• Cytosine

• Guanine

• Thymine

What are the three forms of RNA?

• mRNA, rRNA, sRNA

• mDNA, rDNA, tDNA

• mRNA, rRNA, tRNA

• mRNP, rRNP, tRNP

How many bases are there in a codon?

• 1

• 2

• 3

• 4

How many amino acids are attached to a single transfer RNA (tRNA)?

• 1

• 2

• 3

• 4

What is the process of making mRNA from DNA called?

• Replication

• Translation

• Transcription

• Mutation

What is the process by which DNA is copied in cells?

• Replication

• Translation

• Transcription

• Mutation

Where does transcription occur in a cell?

• Cytoplasm

• Ribosome

• Nucleus

• Mitochondria

Where does translation occur in a cell?

• Cytoplasm or ribosome

• Ribosome

• Nucleus

• Mitochondria

RNA differs from DNA in that RNA:

• is double-stranded

• has thymine instead of uracil

• has ribose as the sugar instead of deoxyribose

• has deoxyribose as the sugar instead of ribose