Methylation of dna Study guides, Class notes & Summaries
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Readiness Check WGU C785 Biochem SCG with 100% correct answers
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Choose the correct coding strand (non-template) from this template (non-coding) DNA: 5' ATC GAT 3' 
3' TAG CTA 5' 
 
 
 
If one strand of chromosome 2 has a DNA sequence that consists of this: 5' AGA CTA ATT GCC 3', what will be the composition of the complementary DNA strand? (Select all that apply) 
3' TCT GAT TAA CGG 5' 
5' GGC AAT TAG TCT 3' 
 
 
 
The following sequence is the coding strand of the collagen gene: 5' GGC AAA TAT CGA 3' What is the sequence of the corresponding mRN...
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USMLE step 1 Biochemistry exam 2023 with 100% correct answers
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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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Honors Biology DNA Questions and Answers Rated A+
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Honors Biology DNA Questions and 
 
Answers Rated A+ 
 
What is the role of RNA in relation to DNA? 
 
 RNA acts as a messenger, carrying genetic instructions from DNA to the ribosomes for 
protein synthesis. 
 
What is the purpose of DNA sequencing? 
 DNA sequencing determines the exact order of nucleotides in a DNA molecule, allowing for 
genetic analysis and research. 
 
How does DNA differ between individuals of the same species? 
 DNA differs in the sequence of its bases, leading to genetic...
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ETS MAJOR FIELD TEST IN BIOLOGY 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED
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Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? 
SOS repair 
Double strand break repair 
Mismatch repair 
Photoreactivation repair (nucleotide excision repair) 
Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) 
Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? 
 
Answers: 
Mismatch repair 
Photoreactivation repair (Nucleotide excision repair) 
SOS repair 
Doub...
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AAB Molecular Diagnostics- Nicole's questions and answers
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Nucleic Acid 
grows by attachment of 5' phosphate group of the incoming nucleotide to the 3'hydroxyl group of the last nucleotide 
 
 
 
double stranded DNA 
most energetically favorable state for DNA 
 
 
 
Purines 
double-ring structure Adenine (A) + Guanine (G) 
 
 
 
Pyrimidine 
single-ring structure Uracil (U)+ Cytosine 
 
 
 
Messenger RNA (mRNA) 
-template for all protein synthesis 
-encode all information necessary to produce proteins 
 
 
 
Heterogeneous nuclear RNA 
primary product o...
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AAB Molecular Diagnostics questions and answers(latest update)
- Exam (elaborations) • 77 pages • 2024
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Nucleic Acid 
grows by attachment of 5' phosphate group of the incoming nucleotide to the 3'hydroxyl group of the last nucleotide 
 
 
 
double stranded DNA 
most energetically favorable state for DNA 
 
 
 
Purines 
double-ring structure Adenine (A) + Guanine (G) 
 
 
 
Pyrimidine 
single-ring structure Uracil (U)+ Cytosine 
 
 
 
Messenger RNA (mRNA) 
-template for all protein synthesis 
-encode all information necessary to produce proteins 
 
 
 
Heterogeneous nuclear RNA 
primary product o...
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ETS MAJOR FIELD TEST IN BIOLOGY SENIOR SEMINAR FINAL 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED
- Exam (elaborations) • 63 pages • 2024
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Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? 
SOS repair 
Double strand break repair 
Mismatch repair 
Photoreactivation repair (nucleotide excision repair) 
Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) 
Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? 
 
Answers: 
Mismatch repair 
Photoreactivation repair (Nucleotide excision repair) 
SOS repair 
Doubl...
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CBSE FINAL EXAM 2023/2024 GRADED A LATEST VERSION
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CBSE FINAL EXAM 2023/2024 GRADED A LATEST 
VERSION 
A 66-year-old woman comes to the physician because of severe lower back pain. She is otherwise 
healthy with well-controlled hypertension and hyperlipidemia. She does not drink, but has smoked one 
pack of cigarettes per day for the past 20 years. An x-ray of the lumbar spine shows an anterior wedge 
compression fracture of L1. Results of dual-energy X-ray absorptiometry (DEXA) scan shows substantially 
decreased bone density in the region...
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ASCP MB: Extra-Practice Questions and Answers Scored A
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ASCP MB: Extra-Practice Questions and 
Answers Scored A 
The Klenow fragment of E. coli DNA polymerase I is used: - Answer ️️ -to label DNA probes 
by random primer labeling. 
What is a solution hybridization method for the detection of nucleic acid:protein interactions? - 
Answer ️️ -gel mobility shift assay 
_____ involves mixing a labeled oligonucleotide with a protein extract to see if a specific 
interaction occurs, visible with an apparent increase in molecular size on a gel due to...
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BCH 5413 EXAM ONE QUESTIONS WITH VERIFIED ANSWERS
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BCH 5413 EXAM ONE QUESTIONS WITH VERIFIED ANSWERS 
If you want to identify the protein PTEN on a Western blot, what is secondary antibody? - Answer-Fab can bind to primary antibody and Fc portion can bind to a HRP antibody so when bound to TMB will light up 
 
Which of the following increases the stringency of Southern Blot? Why? - Answer-Increased hybridization, more Interactions between target and probe 
 
PCR: primer - Answer-Short ssDNA sequence used in PCR, pair of primers used to hybridize...
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