Acetylation - Study guides, Revision notes & Summaries
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BIO 240 Topics 8,9,10 || WELL-ENLIGHTENED WITH CORRECT ANSWERS.
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Replication correct answers DNA must be retained intact, yet copied to make new cells 
 
Transcription correct answers DNA must be turned into multiple "working copies" to provide instructions for enzymes/structural proteins production 
 
Translation correct answers RNA must be read and decoded to form the enzymes/structural proteins of the cell 
 
DNA repair correct answers systems must have the ability to deal with damage 
 
Transcription in Bacteria correct answers - involves RNA polyme...
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Bio 315- Exam 1 Questions and Answers 100% Correct
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Bio 315- Exam 1 Questions and Answers 100% Correct 
From the list below, select the one cellular structure or compartment that is not found in 
animal cells: 
A. Plasmodesmata 
B. Golgi apparatus 
C. Endoplasmic Reticulum 
D. Plasma membrane - Correct Answer ️️ -A 
The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: 
A. Presence of plasma membrane 
B. Presence of a nucleus 
C. Eukaryotic cells larger size 
D. Presence of DNA - Correct Answer ️️ -B 
No...
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USMLE Biochemistry Exam Questions with Correct Answers
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USMLE Biochemistry Exam Questions with Correct Answers 
 
Heterochromatin - ANSWER Highly Condensed DNA 
Transcriptionally inactive 
Ex. Barr bodies (inactivated X chromosomes) 
 
Euchromatin - ANSWER Less condensed DNA 
Transcriptionally active 
 
DNA Methylation - ANSWER Occurs at *CpG Islands* to repress transcription 
'CpG Methylation Makes DNA MUTE' 
 
Template strand *cytosine* and *adenine* are methylated, which allow mismatch repair enzymes to distingu...
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Chromosome Structure Test Questions with Answers
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Chromosome Structure Test Questions with Answers 
 
Where is DNA methylated? - Answer-5' of deoxycytidine 
 
Describe the movement of chromatin within the nucleus. - Answer-Interconverts between euchromatin and heterochromatin quickly, but whole chromosomes do not move much. Specific genes are associated with specific nuclear compartments. 
 
CLINICAL APPLICATION: give an overview of how FISH is used in clinical medicine. Acronym? - Answer-Fluorescence in situ hybridization. Labeled DNA probe ...
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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 one gene-one enzyme hypothesis each gene contains the information needed to make an enzyme 
What did George Beadle and Edward Tatum research? Relationship between genes and proteins using the Neurospora Crassa 
One gene-one enzyme hypothosis (Neuroposa Example) Neurospora can grow well on minimal medium (simple sugar, vitamins, inorganic salts), and therefore it must have enzymes produced by a certain gene that that transform these materials i...
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Bio 315- Exam 1 Questions and Answers 100% Correct
- Exam (elaborations) • 14 pages • 2024
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Bio 315- Exam 1 Questions and Answers 100% Correct 
From the list below, select the one cellular structure or compartment that is not found in 
animal cells: 
A. Plasmodesmata 
B. Golgi apparatus 
C. Endoplasmic Reticulum 
D. Plasma membrane - Correct Answer ️️ -A 
The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: 
A. Presence of plasma membrane 
B. Presence of a nucleus 
C. Eukaryotic cells larger size 
D. Presence of DNA - Correct Answer ️️ -B 
No...
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ETS MAJOR FIELD TEST IN BIOLOGY SENIOR SEMINAR FINAL 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 
Doubl...
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ETS MAJOR FIELD TEST IN BIOLOGY 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED
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ETS MAJOR FIELD TEST IN BIOLOGY 2024 
QUESTIONS WITH CORRECT ANSWERS ALREADY 
PASSED AND VERIFIED 
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? 
Ans...
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USMLE Step 1- Biochemistry Questions and Answers(2022)Answered test
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USMLE Step 1- Biochemistry Questions and Answers(2022)Answered test 
 
 
 
Histones are rich in which 2 amino acids? Ans- Lysine 
Arginine 
 
What histone protein is responsible for binding to the nucleosome and to the "linker" DNA thereby stabilizing the chromatin fiber? Ans- H1 
 
When does DNA and histone synthesis occur in the cell cycle? Ans- S-phase 
 
Will the following be increased or decreased or neutral in heterochromatin? 
 
methylation 
acetylation Ans- methylation increased 
acety...
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USMLE Biochemistry Exam Questions with Correct Answers
- Exam (elaborations) • 29 pages • 2023
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USMLE Biochemistry Exam Questions with Correct Answers 
 
Heterochromatin - ANSWER Highly Condensed DNA 
Transcriptionally inactive 
Ex. Barr bodies (inactivated X chromosomes) 
 
Euchromatin - ANSWER Less condensed DNA 
Transcriptionally active 
 
DNA Methylation - ANSWER Occurs at *CpG Islands* to repress transcription 
'CpG Methylation Makes DNA MUTE' 
 
Template strand *cytosine* and *adenine* are methylated, which allow mismatch repair enzymes to distingu...
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