BIOL 150 Exam 4

Which of the following correctly describes the locations of transcription and translation in prokaryotic and eukaryotic cells?

• Prokaryotes: Transcription and translation both occur in the nucleus

  Eukaryotes: Transcription occurs in the cytoplasm, translation occurs in the nucleus

• Prokaryotes: Transcription occurs in the cytoplasm and translation occurs in the nucleus

  Eukaryotes: Both transcription and translation occurs in the cytoplasm

• Prokaryotes: Transcription and translation both occur in the cytoplasm

  Eukaryotes: Transcription occurs in the nucleus and translation occurs in the cytoplasm

• Prokaryotes: Transcription occurs in the nucleus and translation occurs in the cytoplasm

  Eukaryotes: Prokaryotes: Transcription occurs in the nucleus and translation occurs in the cytoplasm

Which level of protein structure is primarily formed by interactions between the R-groups (side chains) of amino acids?

• Primary Structure

• Secondary Structure

• Tertiary Structure

• Quaternary Structure

What would be the corresponding mRNA sequence transcribed from this DNA template strand?

3' - TAC GGC ATT - 5'

• 5'–AUG CCG UAA–3'

• 5'–ATG CCG TAA–3'

• 3'–AUG CCG UAA–5'

• 5'–UAC GGC AUU–3'

Tags

NGSS.HS-LS1-1

Correctly match the three transcription signals in the gene for each phase of transcription:

• Promoter: Elongation

  Transcribed region: Initiation

  Terminator: Termination

• Promoter: Termination

  Transcribed region: Elongation

  Terminator: Initiation

• Promoter: Initiation

  Transcribed Region: Elongation

  Terminator: Termination

What is the initiation factor for transcription in bacteria?

• RNA Polymerase II

• Sigma Factor

• Rho Factor

• TATA-binding protein

In transcription, which way is new RNA being made and which way is RNA polymerase reading the DNA?

• New RNA: 5' -> 3'

  RNA polymerase: 5' -> 3'

• New RNA: 3' -> 5'

  RNA polymerase: 3' -> 5'

• New RNA: 5' -> 3'

  RNA polymerase: 3' -> 5'

• New RNA: 3' -> 5'

  RNA polymerase: 5' -> 3'

Which strand of DNA does the new mRNA strand complementary base pair with during transcription?

• Coding strand

• Template strand

• Sense strand

• Leading Strand

What are the three post-transcriptional modifications of mRNA before it leaves the nucleus?

• DNA replication, RNA splicing, 5' methylation

• 5' poly-A tail, RNA editing, intron insertion

• 3' capping, exon removal, helicase unwinding

• 5' methylguanosine cap, RNA splicing, 3' poly-A tail

In RNA splicing, which portions of the strand are removed?

• Introns

• Exons

In translation, what is a codon?

• A protein that helps fold polypeptides

• A three-nucleotide sequence on tRNA that binds to mRNA

• A three-nucleotide sequence on mRNA that codes for an amino acid

• An enzyme that links amino acids together