Hello friend,s in today's article we see the DNA footprinting MCQs, in Genetic Engineering. that helps you a lot to crack CSIR NET Exam.
so let's see one by one
DNA Footprinting MCQs:-
DNA Footprinting MCQs
1. Which of the following is not a proximal promoter element?
a) TATA
b) GC
c) AT
d) CAAT
2. Deletion maps are used to determine sites in the genome which interact with ___________________
a) transcription factors
b) polymerase
c) ribonuclease
d) endonuclease
3. Which type of enzymes is used in DNA footprinting?
a) RNA-digesting enzymes
b) RNA polymerases
c) DNA polymerases
d) DNA-digesting enzymes
4. Which enzyme is used to kill the cells in genome-wide location analysis?
a) luciferase
b) endonuclease
c) exonuclease
d) formaldehyde
5. Chromatin immuno-precipitation is induced by _____________________
a) antigens
b) antibodies
c) anti-histamines
d) anti-allergens
6. Microarrays used in the ChIP experiments contain non-coding DNA.
a) True
b) False
7. Analogues of glucocorticoids are prescribed as ________________ agents.
a) sedative
b) anti-fertility
c) anti-inflammatory
d) anti-aging
8. Glucocorticoids are released during periods of __________________
a) stress
b) maturation
c) climate change
d) gastrulation
9. Expression of genes is also regulated by distant DNA elements called _________________
a) enhancers
b) activators
c) promoters
d) inhibitors
10. Which of the following majorly influences the activity of genes during early mammalian development?
a) temperature changes
b) homeostasis
c) stimulation
d) inheritance
11. Prader-Willi syndrome (PWS) is caused due to disturbances in which of the following chromosomes?
a) 15
b) 16
c) 19
d) 21
12. A single gene can encode two or more related proteins by the process of _________________
a) gene silencing
b) alternative splicing
c) recombination
d) transcription
13. RNA editing is the mechanism in which specific amino acids are converted after _______________
a) transcription
b) translation
c) mutation
d) splicing
14. RNA editing is particularly important in the ________________
a) digestive system
b) reproductive system
c) nervous system
d) circulatory system
15. Which of the following products of RNA editing plays an important role in the absorption of fats?
a) apolipoprotein B-48
b) apolipoprotein B-44
c) apolipoprotein B-30
d) apolipoprotein B- 34
16. Which of the following are untranslated regions of messenger RNAs?
a) UVs
b) UTs
c) UTRs
d) URs
17. Which of the following is not an aspect of translational-level control?
a) mRNA degradation
b) mRNA localization
c) mRNA translation
d) mRNA stability
18. Messenger RNA from which gene is localized at the anterior end of a fruit fly?
a) oscar
b) bicoid
c) trichoid
d) colloid
19. During the process of cytoplasmic localization, translation is inhibited.
a) True
b) False
20. Pre-synthesized mRNAs are stored in the __________________ in an inactive state.
a) nucleus
b) cytoplasm
c) nuclear membrane
d) plasma membrane
21. When human cell is subjected to stressful condition ___________________ is activated.
a) protein kinase
b) isomerase
c) synthetase
d) helicase
22. Which of the following is a contributor of mRNA stability?
a) Temperature
b) Poly(A) tail
c) Guanosine
d) Uracil
23. The degradation of mRNA begins when its tail reduces to _________ residues.
a) 2
b) 3
c) 20
d) 30
24. Which of the following is a temporary storage site for RNAs?
a) P-bodies
b) Ribosomes
c) V-bodies
d) Vacuole
25. To carry out translational-level control, miRNAs bind to __________ of their target mRNAs.
a) 3’
b) 5’
c) intergenic sites
d) exonuclease sites
26. Which enzyme is responsible for the synthesis of microRNAs?
a) enhancer
b) dicer
c) splicer
d) promoter
27. DNA-foot printing is a suitable technique for identifying which of the following?
Particular tRNA in a mixture
Particular mRNA in a mixture
Protein binding site within DNA
Introns within DNA
Answer:-
1) C
2) A
3) D
4) D
5) B
6) A
7) C
8) A
9) A
10) D
11) A
12) B
13) A
14) C
15) A
16) C
17) A
18) B
19) A
20) B
21) A
22) B
23) D
24) A
25) A
26) B
27) C
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