BIO111 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Helps RNA polymerase bind to the promoter to start transcription.
Answer:
Role of sigma factor in
prokaryotes
Q: No processing, both occur in cytoplasm.
Answer:
Transcription/translation in prokaryotes
Q: Transcription in nucleus, mRNA is processed before translation.
Answer:
Transcription/translation in
eukaryotes
Q: 5' cap added, 3' poly-A tail added, introns removed by spliceosome.
Answer:
Pre-mRNA processing
,BIO111 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Exons are coding, kept. Introns are noncoding, removed.
Answer:
Exons vs. introns
Q: One gene can produce multiple proteins by including/excluding different exons.
Answer:
Alternative
splicing
Q: A 3-base sequence on tRNA that pairs with the mRNA codon.
Answer:
Anticodon
Q: Attaching the correct amino acid to its tRNA using aminoacyl-tRNA synthetase.
Answer:
tRNA
charging
, BIO111 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: A = arrival, P = peptide bond forms, E = exit site for tRNA.
Answer:
A, P, and E sites of the ribosome
Q: Small ribosomal subunit, mRNA, initiator tRNA, and large subunit must
assemble.
Answer:
Initiating
translation
Q: The third codon base is flexible, allowing one tRNA to pair with multiple
codons.
Answer:
Wobble
hypothesis
2026 Update
Q: Helps RNA polymerase bind to the promoter to start transcription.
Answer:
Role of sigma factor in
prokaryotes
Q: No processing, both occur in cytoplasm.
Answer:
Transcription/translation in prokaryotes
Q: Transcription in nucleus, mRNA is processed before translation.
Answer:
Transcription/translation in
eukaryotes
Q: 5' cap added, 3' poly-A tail added, introns removed by spliceosome.
Answer:
Pre-mRNA processing
,BIO111 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Exons are coding, kept. Introns are noncoding, removed.
Answer:
Exons vs. introns
Q: One gene can produce multiple proteins by including/excluding different exons.
Answer:
Alternative
splicing
Q: A 3-base sequence on tRNA that pairs with the mRNA codon.
Answer:
Anticodon
Q: Attaching the correct amino acid to its tRNA using aminoacyl-tRNA synthetase.
Answer:
tRNA
charging
, BIO111 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: A = arrival, P = peptide bond forms, E = exit site for tRNA.
Answer:
A, P, and E sites of the ribosome
Q: Small ribosomal subunit, mRNA, initiator tRNA, and large subunit must
assemble.
Answer:
Initiating
translation
Q: The third codon base is flexible, allowing one tRNA to pair with multiple
codons.
Answer:
Wobble
hypothesis