Rna modifications Study guides, Class notes & Summaries
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Genetics Final Exam 2023
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What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION 
 
Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message 
 
Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA w...
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Test Bank For Anatomy & Physiology The Unity Of FormAnd Function 7th Edition by Kenneth S. Saladin
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Chapter 04 Genetics of Cellular Function Answer Key True / False Questions 
1. Naked DNA is called chromatin. 
FALSE 
 Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic 
HAPS Objective: C12.04 Analyze the interrelationships among chromatin, chromosomes and chromatids. HAPS Topic: Module C12 Somatic cell division. Learning Outcome: 04.01b Explain how DNA and proteins are organized to form the chromosomes. 
Section: 04.01 Topic: Nucleic acids: DNA and RNA 
2. DNA is ...
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Experimental Cell Biology I full summary
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This document provides a summary about the basics of cell biology. It is a brief summary about the different cell compartments, such as the cell membrane, nucleus, nucleolus, ER, Golgi apparatus, mitochondria, lysosomes, transport vesicles, cytoskeleton, chloroplasts, the cytosol, ATP, Ion motive forces, Glycolysis, Pyruvate oxidation, Citric acid cycle, Oxidative phosphorylation, Respiratory chain/electron transport chain, ROS formation, ATP as a drug target, ATP in synapses, Warburg effect, P5...
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NR 507 MIDTERM EXAM ALL EXAMS COMBINED plus Study Guide LATEST 5 NEW VERSIONS VERIFIED QUESTIONS AND ANSWERS (2022-2023)
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NR 507 MIDTERM EXAM 
ALL EXAMS COMBINED 
AND STUDY GUIDE 
LATEST 5 NEW VERSIONS 
VERIFIED QUESTIONS AND 
ANSWERS 
 
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Question 1 
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Duquesne Genetics Final Questions And Answers Rated A+ New Update Assured Satisfaction
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Give two examples of how eukaryotic organisms derive benefits from regulating gene expression - 
1) Rabbits change from brown to white due to a response to environmental changes 
2) larval to adult is totally different b/c of different proteins during life changes 
gene expression control is used in multicellular organisms to. . . - define tissues and cells w/ 
specific functions w/in organism 
What is the order of regulation of gene expression - transcription, RNA processing, translation, 
post...
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BTEC 4319 Final Review exam 2023 with 100% correct answers
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In yeast, post-transcriptional modifications involve the addition of a 5' 7-MeG cap, a 3' PolyA tail, and excision of introns. What is not a function of these RNA processing steps? - correct answer--a. 5' 7-methyl guanosine cap facilitates attachment of ribosomes 
b. 3' polyA tail addition enhances transcription 
c. Protect the mRNA from degradation by ribonucleases 
d. Contribute to the stability of the mRNAs 
 
What does not promote the initiation of DNA replication in bacteria? - correct ...
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TEST 1 BIO 1A03 QUESTIONS AND ANSWERS 100% PASS
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TEST 1 BIO 1A03 QUESTIONS AND ANSWERS 100% PASS Central Dogma theory that states that, in cells, information only flows from DNA to RNA to proteins 
what enzyme is used to transcribe DNA and describe the process RNA polymerase attaches to specific promoter regions its these promoter regions which identifies the starting point, 
describe the DNA and RNA directionality and how the direction followed by RNA polymerase the 5' end has the 5'phosphate on a nucleotide the other end is the 3' OH grou...
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test 1 BIO 1a03 Exams with Correct Answers Graded A 2023
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Central Dogma - theory that states that, in cells, information only flows from DNA to RNA to proteins 
 
what enzyme is used to transcribe DNA and describe the process - RNA polymerase attaches to specific promoter regions its these promoter regions which identifies the starting point, 
 
describe the DNA and RNA directionality and how the direction followed by RNA polymerase - the 5' end has the 5'phosphate on a nucleotide the other end is the 3' OH group of a nucleotide 
-traditionally rea...
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Kaleys Comprehensive Study Guide final exam 2024 latest update
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•	DNA = phosphate + deoxyribose sugar + A/T/C/G 
o	Contains two strands. The strands are antiparallel (opposite each other). 
o 5’ → 3’ 
3’ ← 5’ 
•	RNA = phosphate + ribose sugar + A/U/C/G 
o	Single strand, can fold back onto itself and form pairs between itself (stem‐loop). 
•	Each nucleic acid is made up of polymers (many monomers) that are called nucleotides. 
o	Nucleotides contain one or more phosphates, a five‐carbon sugar, and a nitrogen base. 
o	Nucleotides are alway...
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BIO 1A03 TEST 2 QUESTIONS AND ANSWERS ALREADY PASSED
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BIO 1A03 TEST 2 QUESTIONS AND ANSWERS ALREADY PASSED 
The lacZand lacY genes are transcribed when 
a) lactose is absent and glucose levels are high. 
b)lactose is present and glucose levels are low. 
c)lactose is present, regardless of the level of glucose in the cell. d) glucose levels are low, regardless of the level of lactose in the cell. b) 
The CRP-cAMP complex binds the lactose operon when 
a) glucose levels and cAMP levels are low. 
b) glucose levels are high and cAMP levels are low. 
c)...
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