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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
1. |
SPLICING_CONCENSUS_SEQUENCE_IS____________?$ |
A. | Exon/GU–intron–AG/exon |
B. | Exon/UG–intron–AT/exon |
C. | Exon/GU–intron–GA/exon |
D. | Exon/AU–intron–CG/exon |
Answer» B. Exon/UG‚Äö√Ñ√∂‚àö√ë‚àö¬®intron‚Äö√Ñ√∂‚àö√ë‚àö¬®AT/exon | |
2. |
In_the_consensus_sequence_5′-AG/GUAAGU–intron–YNCURAC–YnNAG/G-3′_Y_could_be_______$# |
A. | Base A |
B. | Base G |
C. | Base C |
D. | Base T |
Answer» D. Base T | |
3. |
Which of the following corresponding to the same gene will you expect to be the shortest? |
A. | DNA |
B. | hnRNA |
C. | cDNA |
D. | mRNA |
Answer» D. mRNA | |
4. |
In an experiment you try to hybridize a Dna single strand with a mature RNA. You observe loops being formed. These loops have ____________ |
A. | Dna |
B. | RNA |
C. | HIstone octamer |
D. | Histone H1 |
Answer» B. RNA | |
5. |
CBP acts as a(an)_______________ |
A. | Enzyme |
B. | Adaptor |
C. | Catalyst |
D. | Suicide enzyme |
Answer» D. Suicide enzyme | |
6. |
The post transcriptional modifications are done after the transcript is completely transcribed. State whether the statement is true or false. |
A. | True |
B. | False |
Answer» C. | |
7. |
Which is the 1st enzyme in capping? |
A. | Guanyltransferase |
B. | RNA 5’ triphosphatase |
C. | N7G methytransferase |
D. | Guanul transferase |
Answer» E. | |
8. |
Which nucleotide is present in the 5’ cap?$ |
A. | ADP |
B. | GDP |
C. | CDP |
D. | UDP |
Answer» C. CDP | |
9. |
Which RNA transcript would be capped by the capping enzymes in vitro mixture of RNA? |
A. | Pol II transcripts |
B. | Pol I and Pol III transcripts |
C. | Pol I transcripts |
D. | Pol I, Pol II and Pol III transcripts |
Answer» E. | |