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Making Proteins Quiz

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Questions and Answers

What is the primary structure of a protein?

Hydrogen bonds between amino acids
The amino acid sequence (correct)
Two or more polypeptides
The 3D structure of the protein

Which RNA polymerase is responsible for transcribing mRNA, miRNA, snRNA, and snoRNA genes?

RNA polymerase I
RNA polymerase II (correct)
RNA polymerase III
RNA polymerase IV

What is the function of RNA polymerase III?

Catalyzing chemical reactions to synthesize RNA
Transcribing rRNA genes
Building the protein molecule from mature mRNA
Transcribing tRNA and 5S rRNA genes (correct)

What is the central dogma of molecular biology?

DNA → RNA → Protein (C) Signup and view all the answers

What is the function of tRNAs?

Adapt between mRNA and amino acids (A) Signup and view all the answers

Where does splicing of mRNA occur?

Nucleus (D) Signup and view all the answers

What is the role of snRNAs?

Function in nuclear processes (B) Signup and view all the answers

What is the function of rRNAs?

Form the basic structure of the ribosome (C) Signup and view all the answers

What is the role of the TATA box in transcription?

Initiate transcription (B) Signup and view all the answers

What is the function of RNA polymerase?

Separate DNA strands and build an RNA strand (C) Signup and view all the answers

Where does the process of translation occur?

Cytoplasm (A) Signup and view all the answers

What is the role of the nuclear pore complex?

Connection between nucleus and cytoplasm (B) Signup and view all the answers

What is the function of spliceosomes?

Cut up exons and reconnect them to produce mature mRNA (C) Signup and view all the answers

What is the function of the start codon?

Initiate translation (A) Signup and view all the answers

What is the role of the large subunit of the ribosome?

Contains the active site of the ribosome for peptide bond formation (A) Signup and view all the answers

What is the function of transfer RNA (tRNA)?

Translate the mRNA into amino acids (B) Signup and view all the answers