What is the result of histone tal deacetylation on histone-DNA interaction?Increase in positive charge to histone leads to tighter interactionsO Addition of positive charge to histone repels DNA and loosens interactionO No effect, as the histone tail does not interact with DNAO Neutralisation of charge on histone loosens interaction with DNAO Neutralisation of charge on histone leads to tighter interaction with DNA

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Answered: What is the result of histone tail…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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2. You perform a series of experiments on the synthesis of the pituitary hormone prolactin, which is a single polypeptide chain 199 amino acids long. In the first experiment, the MRNA coding for prolactin is translated in a cell-free protein synthesizing system containing ribosomes, amino acids, tRNAs, aminoacyl-TRNA synthetases, ATP, GTP, and the appropriate initiation, elongation, and termination factors. Under these conditions, a polypeptide chain 227 amino acids long is synthesized. In a second experiment, the MRNA is translated in the same cel1-free system to which you have added SRP. In this case, translation stops after a peptide about 70 amino acids long has been produced. In a third experiment, you use the same cell-free translation system to which you have added both SRP and endoplasmic reticulum vesicles, and you find that that the prolactin MRNA now produces a polypeptide that is 199 amino acids long. A) Explain these results.
19Eukaryotic messenger RNA and hnRNA both have poly (A) tails at their 3'-ends. Yesorno 20Messenger RNA splicing and export are uncoupled processes. Yesorno twenty oneWhich of the following plays an important role in directing newly synthesized proteins to specific cellular destinations?A.signal sequenceb.nuclear localization signalc.chain elongation stretchD.Shine – Dalgarno
3031
All about splicing A. snRNPs interactions will bring the 5' and 3' splice sites together in the pre-mRNA B. lariat formation is necessary to bring the branch site with the 5' splice site of the intron C. an unstable 5'P and 2'OH phosphodiester bond helps form the lariat D. exon 5' splice site consensus sequence GU and its 3' splice site AG are recognized by snRNPs E. various types of snRNPs and the pre-RNA come together to form the spliceosome B, C, D, E only A, B, C, E only A, B, C, D, E A, B, C only
What is the mrna codon that corresponds with binds to the anticodon of this trna molecule ccg ggc accounting ugg cgg?A bacterial is the nontranscribed region of the dna to which rna polymerase binds in order to initiate transcription?What happens during the elongation stage of dna transcription what is the function of rna polymerase?
9
(1) Give 3 differences between DNA and RNA (2) Give 2 similarities and 2 differences between transcription and replication (3) A DNA strand is 5' TAC ACG GTC TAA3' Write the RNA strand that could be made from the DNA strand. Indicate the 5' and 3' ends For each of the following, say whether they are DNA or protein Enhancer Transcription Factor Promoter RNA polymerase
During DNA replication, the function of RNA primers is to serve as a binding site for DNA ligase open replication bubbles O serve as starting points for DNA strand elongation by DNA polymerase I in the 3' - 5' direction as starting points for DNA strand elongation by DNA polymerase III in ser prokaryotes prevent new-separated strands of DNA from rejoining
Taq polymerase catalyze the formation : of the phosphodiedter bond brtween 5phospjate group of the 3OJ of the hydrogen bond non of them

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