Dna topoisomerase - Study guides, Class notes & Summaries
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BCH5413 TEST 2 QUESTIONS AND ANSWERS ALL REVISED AND UPDATED
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BCH5413 TEST 2 QUESTIONS AND ANSWERS ALL REVISED AND UPDATED 
Methylation: a primitive immune system for bacteria 
- hds-R - Answer-- plasmid transforms into cells are protected (restriction enzyme not expressed) 
 
Methylation: a primitive immune system for bacteria 
- mcrA/mcrB/mrr - Answer-degrades foreign DNA that is not properly methylated 
- can occur to DNA obtained from mouse/human cells containing CpG methylated DNA (can interfere with cloning of mammalian genomic DNA) 
 
pCR 2.1 - TOP...
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Technologist in Molecular Biology, MB(ASCP) board exam prep 2024 with 100% Correct Answers
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Technologist in Molecular Biology, MB(ASCP) 
board exam prep 2024 with 100% Correct 
Answers 
Pyrimidine - Answer ️️ -One carbon ring 
Cytosine, Thymine, Uracil 
What is the function of mRNA? - Answer ️️ -Carries genetic info out of nucleus 
Transcript translated to protein 
What is the function of tRNA? - Answer ️️ -Carries aa to ribosome 
Anticodon pairs with codon on mRNA strand 
What is the function of rRNA? - Answer ️️ -part of ribosome structure 
most abundant RNA 
coordina...
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Biology 115 Exam 3 WVU Latest Update Graded A+
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Biology 115 Exam 3 WVU Latest Update 
 
Graded A+ 
 
Meiosis DNA replication prior to cell division 
 
Sister Chromatids are two copies of the same DNA(have the exact same sequence) 
 
Helicase Breaks H-bonds to open the replication bubble 
 
Topoisomerase Breaks a single covalent bond ahead of the replication bubble 
 
Single-stranded DNA binding proteins Prevents the re-annealing of a single stranded DNA 
 
DNA Polymerase III recognized double stranded DNA/RNA hybrid and synthesized DNA 
from ...
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MCB 3020 UF Exam 2 Questions and Answers 100% Correct
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MCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% CorrectMCB 3020 UF Exam 2 Questions and Answers 100% Correct 
Components of the replisome are: - ANSWER - topoisomerase, single strand binding proteins, DNA polymerase III, helicase 
 
Anaerobic respiration - ANSWER - Uses electron carriers other than oxygen and yields less energy than aerobic ...
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MB (ASCP) TEST 2023-2024 ATCUAL EXAM 300 QUESTIONS AND CORRECT (100% VERIFIED ANSWERS)
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Predominant form of DNA -Correct Answer Right-handed B 
 
DNA and histone interaction is due to what type of bond? -Correct Answer Ionic 
 
What stains to the minor groove of DNA duplex? -Correct Answer SYBR Green 
 
What is the most abundant type of RNA? -Correct Answer Ribosomal RNA (rRNA) 
 
What does RNA act as in a retrovirus? -Correct Answer Genome and mRNA 
 
What increases half-life of mRNA? -Correct Answer 5' Methyl Cap 
 
What kind of DNA is most likely to be transcriptionally active?...
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CGMBS Exam 1 Questions And Answers With Verified Solutions
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DNA polymerase delta - Answer-eukaryote: completes replication on the *lagging* 
strand; binds more tightly to DNA sliding clamp 
nucleotide and base excision repair 
Single strand binding proteins - Answer-Bind to the unpaired DNA strands, keeping 
them from re-pairing 
topoisomerase 1 - Answer-Making single-stranded DNA breaks to relieve supercoiling 
at origin 
topoisomerase 2 - Answer-An enzyme that breaks both strands (a DNA double helix), 
rotates the ends, and seals the break. 
*USES ATP*...
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Biod 102 Exam 1 / BIOD 102 Exam 1 Questions and Answers Portage Learning GRADED A +
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Biod 102 Exam 1 / BIOD 102 
Exam 1 Questions and 
Answers Portage Learning 
GRADED A + 
RA class of DNA polymerase patrols newly added 
nucleotides and will remove nucleotides that are erroneous. 
How does the polymerase "know" a nucleotide is misplaced. 
- CORRECT ANSWER-Newly adde nucleotides are compared 
to the complimentary template strand. 
Replication of DNA begins at a single origin of replication 
and then proceeds the entire length of the strand, in one 
direction (T/F) - CORRECT ANS...
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MB(ASCP) Exam Practice Latest Update 2024
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MB(ASCP) Exam Practice Latest Update 2024 
what does topoisomerase do? - Answer ️️ -breaks phosphate backbone to "un" 
supercoil DNA 
Another name for Topoisomerase II - Answer ️️ -Gyrase 
Helicase - Answer ️️ -Un"zips" DNA at replication fork 
What makes up the primosome? - Answer ️️ -1. primase 
2. helicase 
3. DNA C 
NASBA stands for... - Answer ️️ -nucleic acid sequence based amplification 
NASBA - Answer ️️ -RNA is target 
RNA-->cDNA 
Reverse transcriptase (RN...
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MIBO 3500 Exam 2 Questions and Answers Rated A
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MIBO 3500 Exam 2 Questions and Answers Rated A frederick griffith studied streptococcus pneumoniae in mice - hypothesized that bacteria could "transfer" information to each other - S strain -> host death - R strain -> not fatal - pre-killing S strains prevents illness - killed S plus live R is fatal 
conjugation horizontal gene transfer requiring cell to cell contact - two cells brought together by pilus on the donor - relaxase assists in DNA transfer - requires presence of transferable ...
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ASCP Molecular Biology Certification Exam 2024
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ASCP Molecular Biology Certification Exam 2024 
Pyrimidine - Answer ️️ -One carbon ring 
Cytosine, Thymine, Uracil 
Purine - Answer ️️ -Two carbon rings 
Adenine, Guanine 
How are nucleotides joined together? - Answer ️️ -Condensation to form phosphodiester bond 
What is the function of mRNA? - Answer ️️ -Carries genetic info out of nucleus 
Transcript translated to protein 
What is the function of tRNA? - Answer ️️ -Carries aa to ribosome 
Anticodon pairs with codon on mRNA ...
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