Cell and Molecular Biology (ZOO505)

1. The process of elongation starts when ________ skips the promoter sequence.

   1. polymerase
   2. gyrase
   3. helicase
   4. topoisomerase

2. ELL is a ________ in transcription process.

   1. initiation factor
   2. elongation factor
   3. termination factor
   4. helicase

3. During the process of intron removal, ________ is formed.

   1. splice site
   2. nick
   3. lariat
   4. ester

4. Early E complex is an arrangement of ________.

   1. DNA and RNA
   2. RNA and proteins
   3. DNA and proteins
   4. Proteins and proteins

5. The removal of introns by introns itself through specific conformation is called ________.

   1. Self - splicing
   2. Normal splicing
   3. Relatable splicing
   4. Intron removal

6. TFIIF is a transcription factor with ________ subunits.

   1. 0
   2. 1
   3. 2
   4. 3

7. During the process of transcription TFIIS performs the function of ________.

   1. polymerisation
   2. proofreading
   3. uncoiling
   4. nick binding

8. Which of the following is an example of huge molecular machine?

   1. spliceosome
   2. polymerase
   3. RNAse
   4. DNAse

9. Hairpin stem loop is formed in the process of ________.

   1. transcription
   2. replication
   3. translation
   4. respiration

10. TFIIH are ________.

    1. kinases
    2. reductases
    3. oxidases
    4. phosphorylases

11. To terminate transcription, Rho must move over ________ to reach polymerase.

    1. elongating RNA
    2. DNA template
    3. helicase
    4. lagging strand

12. The terminator sequence in protein synthesis has ________ rich regions.

    1. AC
    2. AU
    3. GC
    4. AT

13. TFIIF function as ________ in the ATPase driven process.

    1. inducer
    2. translocator
    3. terminator
    4. initiator

14. From mRNA, intronic sequences are removed by breaking ________ bonds.

    1. hydrogen
    2. ionic
    3. polar
    4. phosphodiester

15. In transcription, the formation of preinitiation complex is followed by ________.

    1. termination
    2. elongation
    3. initiation
    4. polymerization

16. The binding between the TFB-TATA and TFIIB is ________.

    1. asymmetric
    2. symentric
    3. linear
    4. regular

17. Series of three nucleotides is called ________.

    1. tRNA
    2. noncoding sequence
    3. coding sequence
    4. replica sequence

18. The removal of intron is done by linear and lariat patterns.

    1. true statement
    2. false statement
    3. both are wrong
    4. only linear patterns are seen

19. Xrn2 is a RNAase present in ________.

    1. animals
    2. humans
    3. yeast
    4. fungi

20. In the formation of preinitiation complex, the strongest binding is found between ________.

    1. TBB and TATA
    2. TBP and TATA
    3. preinitiation complex
    4. TAF and TBF

21. In ________, transcription factors help polymerase in binding to promoter and also help in melting of DNA.

    1. translation termination
    2. replication initiation
    3. pre-initiation complex
    4. elongation of RNA

22. In eukaryotes, introns are ________.

    1. noncoding sequence
    2. coding sequence
    3. replica sequence
    4. block of genes

23. ________ binds with block A and block B of tRNA in the process of transcription.

    1. TFIIC
    2. TFIIIC
    3. TFIIB
    4. TFIIIB

24. Amino acids must attach to adapter molecules before peptide formation, it was proposed in ________.

    1. 1956
    2. 1955
    3. 1945
    4. 1845

25. In transcription, the process is samein both prokaryotes and eukaryotes but the ________ is different.

    1. steps
    2. machinery
    3. genetic makeup
    4. nucleotides

26. TFIIIC is responsible for recruiting ________ in the process of transcription.

    1. TFIIIB
    2. TFIIB
    3. TFIIB
    4. TFAK

27. Rho uses the energy derived from ________.

    1. polymerization
    2. ATP hydrolysis
    3. anabolism
    4. metabolism

28. ________ protein initiates the process of termination in transcription.

    1. polymerase
    2. Rho
    3. Rno
    4. primase

29. What is the meaning of a berrant splicing?

    1. correct splicing
    2. wrong splicing
    3. normal splicing
    4. accurate splicing

30. Alternatively, the transcriptional regulatory proteins are also known as ________.

    1. enhancers
    2. activators
    3. regulators
    4. stabilizers

31. Rat1 is an RNAase found in ________.

    1. algae
    2. fungi
    3. yeast
    4. animals

32. snRNPs stands for ________.

    1. smaller nuclear ribo-RNPs
    2. smaller RNPs
    3. small nuclear proteins
    4. small nuclear ribonuclear proteins

33. ________ is recruited to polymerase by transcriptional activators.

    1. kinase
    2. helicase
    3. isomerase
    4. reductase

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301