Histone acetylation - Study guides, Class notes & Summaries

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USMLE STEP 1 BIOCHEMISTRY Questions and Answers with Complete Solutions 2024 Popular
  • USMLE STEP 1 BIOCHEMISTRY Questions and Answers with Complete Solutions 2024

  • Exam (elaborations) • 80 pages • 2023
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  • USMLE STEP 1 BIOCHEMISTRY Questions and Answers with Complete Solutions 2024 histones are rich in which 2 AA's - ANSlysine & argenine Barr bodies (what, type of chromatin) - ANSinactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin - ANSeuchromatin DNA methylation at CpG islands - ANSrepresses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why?) ...
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UNE Medical Biochemistry Midterm Review Already Graded A
  • UNE Medical Biochemistry Midterm Review Already Graded A

  • Exam (elaborations) • 18 pages • 2023
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  • UNE Medical Biochemistry Midterm Review Already Graded A A family presents for genetic counseling. The couple has two female children who are alive and well; however, their infant son recently died in the nursery with severe hemolysis (lysis of red blood cells) and jaundice. The wife recalls she lost a brother in infancy with severe hemolysis, induced after a viral infection. The physician suspects a glucose-6-phosphate dehydrogenase deficiency, this would result in a deficiency in which of the...
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Biochemistry USMLE step 1:  Updated Solution: Guaranteed  A+ Guide Solution
  • Biochemistry USMLE step 1: Updated Solution: Guaranteed A+ Guide Solution

  • Exam (elaborations) • 85 pages • 2024
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  • histones are rich in which 2 AA's (Ans- lysine & argenine Barr bodies (what, type of chromatin) (Ans- inactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin (Ans- euchromatin DNA methylation at CpG islands (Ans- represses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why?) (Ans- template strand cytosine and adenine are methylate...
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BIOC 385 Exam 4 || very Flawless.
  • BIOC 385 Exam 4 || very Flawless.

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  • Number the RNA processing steps in order from 1-6 to generate mRNA transcript. a) ___ 3' end cleavage and polyadenylation b)__ binding of the U1 and U2 snRNPs c)__ generating 7-methylguanosine at 5' end d)__ mRNA export from the nucleus to cytosol e) __ribozyme cleavage of the intron lariat f)__ dissociation of RNA Pol 2 from DNA correct answers a) _4_ 3' end cleavage and polyadenylation b)_2_ binding of the U1 and U2 snRNPs c)_1_ generating 7-methylguanosine at 5' end d)_6_ mRNA ex...
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BMSC 220 Post midterm || A+ Guaranteed.
  • BMSC 220 Post midterm || A+ Guaranteed.

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  • Transfer tRNA correct answers What completes translation Adaptor molecules between mRNA & amino acids in protein synthesis - ensures correct aa Transcribed as a group in long pre-mRNAs Transcribed by polymerase II ~ 70-80 nucleotides, Clover leaf/ L structure Cleaved post transcription into individual tRNAs 5' end cleaved by RNaseP 3' end cleaved by RNase with CCA sequence Centromere correct answers Specialized region of the chromosome Attaches sister chromatids Critical role in ...
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USMLE step 1  Biochemistry   exam 2023 with 100% correct answers
  • USMLE step 1 Biochemistry exam 2023 with 100% correct answers

  • Exam (elaborations) • 90 pages • 2023
  • histones are rich in which 2 AA's - correct answer lysine & argenine Barr bodies (what, type of chromatin) - correct answer inactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin - correct answer euchromatin DNA methylation at CpG islands - correct answer represses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why?) - correct answer tem...
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NSCI 4501 Exam 1 Questions Perfectly Answered
  • NSCI 4501 Exam 1 Questions Perfectly Answered

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  • 19S - regulatory particle of proteasome 2 Categories of Epigenetics - DNA methylatioin and histone modification 20S - core particle of proteasome 26S proteasome - inhibited in sporadic parkinsonism 3 groups of Bcl-2 family proteins - 1. Group I - Anti-apoptitic 2. Group II - Inducers 3. Group III - Potentiate 3 key molecules of apoptosis - 1. Bcl-2 family proteins 2. Apaf-1 3. caspases 3 metabolic pathways that regulate aging - 1. Dietary restrictions 2. Insulin/Insulin-like Growth Fa...
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BIO 235 Practice Exam
  • BIO 235 Practice Exam

  • Exam (elaborations) • 13 pages • 2024
  • 1) The nucleotide sequence of the attenuator region in the leader of the trp mRNA - a) Contains features of a transcription termination site Depurination - the loss of a purine base from a nucleotide Deamination - the removal of an amino group from an organism, particularly from an amino acid attenuator region - region of RNA sequence that forms an alternate secondary structures that govern the level of transcription of attenuated operons. Transcription factors and other regulatory p...
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UCI BIO 93 Final Exam Questions With 100% Verified Answers
  • UCI BIO 93 Final Exam Questions With 100% Verified Answers

  • Exam (elaborations) • 5 pages • 2024
  • UCI BIO 93 Final Exam Questions With 100% Verified Answers What is an example of incomplete dominance? - answerA red and white snapdragon making a pink offspring What is an example of co-dominance? - answerBlood cells. What is Pleiotropy? - answerWhen a gene affects more than one phenotypic character. What is the norm of reaction? - answerThe range of phenotypic possibilities What are some example of polygenic inheritance? - answerSkin color and height Norms of reactions are broadest fo...
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UCI BIO 93 Final exam 2024 with 100% correct answers
  • UCI BIO 93 Final exam 2024 with 100% correct answers

  • Exam (elaborations) • 5 pages • 2023
  • What is an example of incomplete dominance? - correct answer A red and white snapdragon making a pink offspring What is an example of co-dominance? - correct answer Blood cells. What is Pleiotropy? - correct answer When a gene affects more than one phenotypic character. What is the norm of reaction? - correct answer The range of phenotypic possibilities What are some example of polygenic inheritance? - correct answer Skin color and height Norms of reactions are broadest...
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