BIO 181 QUIZ 1 CELL STRUCTURE AND
FUNCTION PRACTICE TEST ITEMS
ANSWERS CELL BIOLOGY FUNDAMENTALS
ANALYSIS 2026
◉ RNA polymerase
Answer: Enzyme that synthesizes RNA from DNA template.
◉ Initiation
Answer: First stage of transcription process.
◉ Elongation
Answer: Stage where RNA strand lengthens during transcription.
◉ Termination
Answer: Stage signaling end of transcription process.
◉ Transcription factors
Answer: Proteins that assist RNA polymerase binding.
◉ Transcription initiation complex
, Answer: Assembly of transcription factors and RNA polymerase II.
◉ TATA box
Answer: Eukaryotic promoter crucial for initiation complex.
◉ Polyadenylation signal
Answer: Sequence that triggers RNA transcript release in
eukaryotes.
◉ Pre-mRNA
Answer: Initial RNA transcript before processing.
◉ 5′ cap
Answer: Modified guanine nucleotide added to 5′ end.
◉ Poly-A tail
Answer: Adenine nucleotides added to 3′ end.
◉ RNA processing
Answer: Modifications to pre-mRNA before cytoplasmic export.
◉ Introns
FUNCTION PRACTICE TEST ITEMS
ANSWERS CELL BIOLOGY FUNDAMENTALS
ANALYSIS 2026
◉ RNA polymerase
Answer: Enzyme that synthesizes RNA from DNA template.
◉ Initiation
Answer: First stage of transcription process.
◉ Elongation
Answer: Stage where RNA strand lengthens during transcription.
◉ Termination
Answer: Stage signaling end of transcription process.
◉ Transcription factors
Answer: Proteins that assist RNA polymerase binding.
◉ Transcription initiation complex
, Answer: Assembly of transcription factors and RNA polymerase II.
◉ TATA box
Answer: Eukaryotic promoter crucial for initiation complex.
◉ Polyadenylation signal
Answer: Sequence that triggers RNA transcript release in
eukaryotes.
◉ Pre-mRNA
Answer: Initial RNA transcript before processing.
◉ 5′ cap
Answer: Modified guanine nucleotide added to 5′ end.
◉ Poly-A tail
Answer: Adenine nucleotides added to 3′ end.
◉ RNA processing
Answer: Modifications to pre-mRNA before cytoplasmic export.
◉ Introns
