Which of the following mechanisms do prokaryotes use to produce different prdtein products from a single RNA transcript? O Transcribing three separate genes on a single MRNA O Cleaving a polypeptide into three parts creating three distinct products O Utilizing site-specific recombination to generate three different versions of the gene O Utilizing alternative splicing leading to three distinct mRNAs

Which of the following mechanisms do prokaryotes use to produce different prdtein products from a single RNA transcript? O Transcribing three separate genes on a single MRNA O Cleaving a polypeptide into three parts creating three distinct products O Utilizing site-specific recombination to generate three different versions of the gene O Utilizing alternative splicing leading to three distinct mRNAs

Name: Which of the following mechanisms do prokaryotes use to produce diffe
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Description: Which of the following mechanisms do prokaryotes use to produce different proteinproducts from a single RNA transcript?O Transcribing three separate genes on a single mRNACleaving a polypeptide into three parts creating three distinct productsO Util

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

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 6TYU

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IS. Alternative splicing has been estimated to occur in more than 95% of multi-exon genes. Which of the following is not an evolutionary advantage of alternative splicing? Alternative splicing increases diversity without increasing genome size Different gene isoforms can be expressed in different tissues Alternative splicing creates shorter mRNA transcripts Different gene isoforms can be expressed during different stages of development.
Which of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleus
Eukaryotic mRNA: usessnRNPs to cut out introns and seal together translatableexons. uses a spliceosome mechanism made of DNA to recognizeconsensus sequences to cut and splice. has a guanine cap on its 39 end and a poly(A) tail on its 59 end. is composed of adenine, thymine, guanine, and cytosine. codes the guanine cap and poly(A) tail from the DNAtemplate.
Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:
Put the following processes in order of their occurrence during expression of a eukaryotic gene: a. mRNA processing c. transcription b. translation d. RNA leaves nucleus
Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?
Which of the following statements are true about eukaryotic mRNA?a. The sigma factor is essential for the correct initiationof transcription.b. Processing of the nascent mRNA may begin beforeits transcription is complete.c. Processing takes place in the cytoplasm.d. Termination is accomplished by the use of a hairpinloop or the use of the rho factor.e. Many RNAs can be transcribed simultaneously fromone DNA template
For each of the following types of gene regulation, indicate whether it occurs in eukaryotes only, in prokaryotes only, or in both prokaryotes and eukaryotes.a. differential splicingb. positive regulationc. chromatin compactiond. attenuation of transcription through translation ofthe RNA leadere. negative regulationf. translational regulation by small RNAs
Which of the following statements regarding splicing in eukaryotes is correct?a) Several reactions in the splicing process involve hydrolysis of ATPb) Exons are spliced out and introns are retained in the mature mRNA transcriptc) Splicing takes place in the cytosold) Small nuclear RNAs are retained in the mature mRNA transcript
During the processing of pre-mRNA in eukaryotes Select one: a. Exons are joined together using polyadenylate polymerase b. The spliceosome breaks covalent bonds at 5' and 3' splice sites c. A 5'methyl cytosine cap is added using specific enzyme d. A 3'-poly-A tail is attached using an unusual 5'-5 ester linkage
A eukaryotic mRNA has a mutation that creates a premature STOP signal. Which of the following is involved in detecting this error? a. CBC20/80 b. eIF1 c. 5S RNA d. peptidyl transferase
Which of the following types of RNA is involved in pre-mRNA splicing? a. tRNA b. miRNA c. mRNA d. rRNA e. none of the above