(a) Introns must be removed from eukaryotic RNA transcripts. Intron 1 Intron 2 T

Question

(a) Introns must be removed from eukaryotic RNA transcripts. Intron 1 Intron 2 Template strand 3 5' Exon 1 Exon 2 Exon 3 Primary RNA 5' 3' transcript spliced transcript (b) PROCESS: snRNPs SPLICE RNA WITHIN THE NUCLEUS Primary snRNPs RNA. 5' Exon Exon Intron 1. snRNPs bind to start of intron and an A base within the intron. 2. snRNPs assemble to form the spliceosome. Spliceosome 3. Intron is cut; loop forms. 5' 5' 3' Excised intron 4. Intron is released as a lariat; exons are joined together. Spliced mRNA 5' 3' Exon Exon

Explanation / Answer

Answer:

In eukaryotes, the size of the primary transcript is generally ___C)the same lenght as_____ the gene in the template DNA strand.

The primary transcript is produced from template strand of DNA. The length of primary transcript is equal to template strand. Before translation, introns will be removed from primary transcript, so that spliced transcript will be shorter than the template strand of the DNA.

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