MODULE 12: Protein Synthesis

What is the process by which an exact copy of DNA is made when a cell divides?

• Transcription

• Activation

• Translation

• Replication

Which enzyme is responsible for removing the tension in DNA by cutting, rotating, and resealing the individual strands?

• DNA Polymerase I

• Topoisomerase

• Helicase

• Ligase

Which of the following is a salient feature of the genetic code?

• Contains 50 codes

• Codes are overlapping

• AUG codes for proline

• Codes are universal

What is the process of creating proteins from mRNA template called?

• Translation

• Transcription

• Replication

• Activation

Which enzyme is responsible for the synthesis of mRNA and hnRNA in eukaryotes?

• RNA Polymerase I

• RNA Polymerase II

• RNA Polymerase III

• RNA Polymerase IV

What is the start codon that codes for methionine in the genetic code?

• UAA

• UGA

• AUG

• UAG

What is the first step in the translation process?

• Assembly of Ribosomal Subunits into Ribosomes

• Attachment of mRNA

• Transfer of Amino Acyl to tRNA

• Activation of Amino Acids

Which site in the ribosome is responsible for the attachment of mRNA during the translation process?

• None of the above

• A site

• P site

• E site

What is the process by which the genetic messages contained in DNA are transcribed?

• Transcription

• Activation

• Translation

• Replication

Which enzyme is responsible for joining DNA fragments (Okazaki fragments) during DNA replication?

• Helicase

• Topoisomerase

• Ligase

• DNA Polymerase I