Which of the following statements about eukaryotic RNA is true? O Exons are spliced together. OA long tail of extra nucleotides is removed from the 5' end of the RNA. O The modified RNA molecule is transported into the nucleus. OIntrons are added to the RNA.

Which of the following statements about eukaryotic RNA is true? O Exons are spliced together. OA long tail of extra nucleotides is removed from the 5' end of the RNA. O The modified RNA molecule is transported into the nucleus. OIntrons are added to the RNA.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter13: Gene Expression

Section: Chapter Questions

Problem 7TYU: Which of the following is/are not found in a bacterial mRNA molecule? (a) stop codon (b) upstream...

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Question

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Which of the following statements about eukaryotic RNA is true?
O Exons are spliced together.
OA long tail of extra nucleotides is removed from the 5' end of the RNA.
O The modified RNA molecule is transported into the nucleus.
O Introns are added to the RNA.

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Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNA
The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand. Draw the primary transcript and the mRNA resulting from this DNA.
Which of the following is/are not found in a bacterial mRNA molecule? (a) stop codon (b) upstream leader sequences (c) downstream trailing sequences (d) start codon (e) promoter sequences
A sequence of MRNA is mutated such that there is no "start" codon. Which of the following is a consequence? O No peptide chain gets built O RNA polymerase is halted O The gene gets copied in an infinite loop O The ribosome can no longer bind
Which of the following statements concerning translation is NOT correct? O b. O c. Polypeptide chain is extended from the C- terminus to the N-terminus. O d. The first codon of protein synthesis is AUG. Prokaryotic transcription and translation are coupled (i.e. they occur almost at the same time and at the same place). O e. Protein synthesis takes place in ribosome. During protein synthesis, the mRNA is read from 5' to 3' direction.
Which of the following statements about the splicesome is correct? The spliceosome controls the translation process, ensuring that only exons are translated. O The spliceosome removes introns into mRNA sequences before translation. O The spliceosome inhibits transcription of noncoding DNA regions. The spliceosome contains both protein and a functional type of RNA known as SİRNA
Which of the following is the first step of translation in a eukaryotic cell? O a RNA containing activated methionine binds to AUG of the messenger RNA the ribosome reaches a stop codon the small subunit of the ribosome recognizes and attaches to the 5' cap of mRNA O binding of the larger ribosomal subunit to smaller ribosomal subunits
If the DNA has a triplet code of CAG in one strand (the strand used as a template for transcription) AUG, GTA,CGU GTC,GUC,CAG GCA,ATC, ACG TCA,TGU,AUC What is the complementary sequence on the other DNA strand?- What is the resulting sequence in the TRNA? What is the complementary sequence in the MRNA?
Which of the following is responsible for synthesizing mRNA? O DNA O RNA polymerase O TRNA None of these is responsible O ribosome O FRNA O More than one of these is responsible O acetyl transferase
The end result of BOTH transcription and translation of the DNA sequence AAGCTGGGA would result in? Oan MRNA strand with the sequence TTCGACCCT Oan MRNA strand with the sequence UUCGACCCU a sequence of three amino acids linked by peptide bonds Oa carbohydrate in the form of a polysaccharide
Which of the following is unique to eukaryotic mRNA synthesis? O Coupled transcription-translation O Polycistronic mRNA Removal of introns O Polysomes
Which statement about transfer RNA (TRNA) is NOT correct? Select one: O It folds up into the shape of an L. O It contains modified nucleotides. O It contains a codon at one end, and an anti-codon at the other end. O It is produced by transcription.