Genetics Super Summative Review

What is the first step of protein synthesis?

• Translation

• Transcription

• Replication

• Modification

Where does transcription occur in eukaryotic cells?

• Cytoplasm

• Mitochondria

• Nucleus

• Ribosome

Which molecule carries the genetic code from DNA to the ribosome?

• tRNA

• mRNA

• rRNA

• DNA polymerase

What is the role of tRNA in protein synthesis?

• To replicate DNA

• To carry amino acids to the ribosome

• To transcribe DNA into RNA

• To modify proteins after synthesis

Which process converts mRNA into a protein?

• Transcription

• Translation

• Replication

• Mutation

What are the building blocks of proteins?

• Nucleotides

• Amino acids

• Fatty acids

• Sugars

Which of the following is NOT a component of a ribosome?

• rRNA

• mRNA

• Protein

• tRNA

How many codons are needed to specify three amino acids?

• 1

• 3

• 9

• 6

What is the start codon sequence?

• UAA

• AUG

• UGA

• UAG

Which of the following mutations does not change the amino acid sequence of a protein?

• Missense mutation

• Nonsense mutation

• Silent mutation

• Frameshift mutation