CELL AND MOL ANSWER ALL! #1 Match the protein to it\'s function in transcription

Question

CELL AND MOL ANSWER ALL!
#1 Match the protein to it's function in transcription
RNA polymerase III, Transcription Factor IID, Transcription Factor IIE, Sigma Factor, Transcription Factor IIH, RNA polymerase II, Helicase, RNA polymerase II
•Transcribes tRNA •Recognizes promoter region in bacteria •Transcribes mRNA •Recognizes promoter region in eukaryote •Exposes a single stranded DNA template
#2 RNA is processed during transcription. Match the RNA component to the proper term 5' cap, exon, 5' tail, intron, 3' tail, 3' cap
•Sequence joined by snRNPs •Sequence of repeating adenine nucleotides •Sequence that forms a lariat during processing •Covalent attachment of a modified guanine nucleotide CELL AND MOL ANSWER ALL!
#1 Match the protein to it's function in transcription
RNA polymerase III, Transcription Factor IID, Transcription Factor IIE, Sigma Factor, Transcription Factor IIH, RNA polymerase II, Helicase, RNA polymerase II
•Transcribes tRNA •Recognizes promoter region in bacteria •Transcribes mRNA •Recognizes promoter region in eukaryote •Exposes a single stranded DNA template
#2 RNA is processed during transcription. Match the RNA component to the proper term 5' cap, exon, 5' tail, intron, 3' tail, 3' cap
•Sequence joined by snRNPs •Sequence of repeating adenine nucleotides •Sequence that forms a lariat during processing •Covalent attachment of a modified guanine nucleotide CELL AND MOL ANSWER ALL!
#1 Match the protein to it's function in transcription
RNA polymerase III, Transcription Factor IID, Transcription Factor IIE, Sigma Factor, Transcription Factor IIH, RNA polymerase II, Helicase, RNA polymerase II
•Transcribes tRNA •Recognizes promoter region in bacteria •Transcribes mRNA •Recognizes promoter region in eukaryote •Exposes a single stranded DNA template
#2 RNA is processed during transcription. Match the RNA component to the proper term 5' cap, exon, 5' tail, intron, 3' tail, 3' cap
•Sequence joined by snRNPs •Sequence of repeating adenine nucleotides •Sequence that forms a lariat during processing •Covalent attachment of a modified guanine nucleotide

Explanation / Answer

Ans. 1.

Transcribes tRNA: RNA pol III

Recognizes promoter region in bacteria: Sigma factor

Transcribes mRNA: RNA pol II

Recognizes promoter region in eukaryotes: Transcription factor IID. It binds to the eukaryotic promoter region (TATA box) marking the initiation of transcription.

Exposes a single stranded DNA template: Helicase. DNA helicase exposes ss DNA strands by melting DNA or separating the double strands of DNA helix.

Ans. 2.

Sequence joined by snRBPs: Exons. Exons are joined together during mRNA splicing while introns are removed off.

Sequence of repeating adenine residues. 3’ tail. 3’ tail is polyadenine tail consisting of around 300 adenine residues.

Sequence that forms lariat during processing. Introns. During splicing, intron forms lariat structure (loop-like structure) by joining both its ends to bring exons together.   

Covalent attachment of a modified guanine nucleotide: 5’ cap. 5’cap of mature eukaryotic mRNA consists of a covalently-linked 7-methylguanosine residue at 5’ end.

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