Cytogenetics Repair Dna Damage Ner Direct Reversal Online Exam Quiz
Cytogenetics Repair Dna Damage Ner Direct Reversal GK Quiz. Question and Answers related to Cytogenetics Repair Dna Damage Ner Direct Reversal. MCQ (Multiple Choice Questions with answers about Cytogenetics Repair Dna Damage Ner Direct Reversal
What is the stretch of free DNA needed by NER machinery to repair the bulky lesions in TC NER?
Options
A : 50 nt
B : 100 nt
C : 200 nt
D : 250 nt
You radiate a stock of E. Coli with UV rays and another stock is irradiated as control. The 1st stock is seen to be more resistant to alkylating agents. Which gene is expected to be triggered by this UV?
Options
A : AlK B
B : Guanine methyl transferase
C : MTHF poly Glu
D : RUV
Which of the factors are necessary in TC NER but not in GG NER?
Options
A : hHR23B
B : ERCCI- XPF
C : CSA
D : RAD23
Which of the molecule in photolyase acts as an electron donor for recovery of the CPD?
Options
A : NADH
B : FADH-
C : MTHF poly Glu
D : NAD+
Which of the DNA polymerase in eukaryotes is responsible for repair synthesis of the excised strand in NER?
Options
A : Pol epsilon
B : Pol III
C : Pol beta
D : Pol I
What is the prokaryotic homologue of XPC?
Options
A : RAD 51
B : RAD 10
C : RAD 23
D : RAD 50
What is the molecule released in 2nd step of Alk B reaction which returns the base to normal form?
Options
A : Succinate
B : Alpha ketoglutarate
C : Formaldehyde
D : O2
In an experiment you fuse cells from two patients suffering from XP ( Xeroderma Pigmentosum). The fused cells will be expected to agree to which of the following?
Options
A : The resultant cells will have worsened case of XP
B : Only one of the two NER defects that is dominant will be seen
C : No XP defect in the resultant
D : Both will show a similar effect of XP as before
It is good that Guanine methyl transferase is absent in human beings.
Options
A : True
B : False
C :
D :
Which of the factor in prokaryotic NER acts as the helicase?
Options
A : Urv A
B : Ruv C
C : TFIIH
D : Uvr D
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