BIO201 Final Term Cell Biology

BIO201 - Cell Biology

Q1. How stem cell different from other specialized cells? 2 marks

Q2. how UV sterilize equipment? 3 marks

Q3. what is function of Rod cells ? 3 marks

Q4. what is MHC1 or MHC11 difference ?10 marks

Q5. Stem cell uses ? 5 marks

Q6. TGF-beta mechanism ?10 marks

Mcq

Q1. Beta pleated sheats found in (secondary proteins)

Q2. how many covalent bond atom can form(4)

Q3. inhibitor that bind to a site other than the active site enzyme(irreversible inhibitor)

Q4. ABO blood group is best example of (co - dominance)

Q5. strach and glycogen is stored form of glucose in _ while cellulose a stored glucose form in( Animals and plants)

Q6. DIfferent form of same gene are called (RFLP)

Q7. how many types of bacteria colony were used by freddrikh used in grafith experiment(2)

Q8. Listen hydrogen bond is

1-week 2-/strong 3covalent

4. All

Q9. Which lipid having double bond (aqueous (oil))

Q10. microtubules which are not attached to chromosome called mitotic center)

Q11. which organized by translating mechainary (tRN

Q12. DNA is the main hereditary molecules that is transfers from one generation to another (Frederick Griffith)

Q13. missing of enzyme homogenetic acid oxidase caused (plenylketonuria)

Q14. All abservable feature polar microtubels in the subject

1. trait
2. character
3. phenotype
4. All ans

Q,15)intate site of transcription(promoter)

Q16. okszaki fragment grafithare joined by (helcase)

Q17. mutation result in no change amino acid(silent mutation)

Q18. calmodulin is about(10℅)

Q19. which one following proteins help in stimulating brest cell to produce milk (prolectin)

Q20. Which one is initiation codon(AUG)

Q21. TH2 cells mainly help to activate :(T cell)

Q22. Mendel donated dominant and recessive traits as(SS as)

Q23. for optimal activity of hydrolytic enzymes, lysosome maintains a pH about(5.0)

Q24. Proteins which are fully translocated across Endoplasmic reticulum and are embedded in(water soluble protein)

Q25. Ran GTPase is a molecular switch that exist in(2 sates)

Q26. An oncogene after mutation produces one of abnormal (cancer)

Q27. Dendritic cells use on of following signal to guide helper T cells to(IL_2)

Q28. how many times an average cell divide before it gets unheal(50℅)

Q29. Cholera toxin prevents..........

(Hydrolysis of GTP to GDPGDP)

Q30. he _____immune system, like the ____system, can remember prior experiences(Adaptive, nervous)

Q31. There are ............... lymphocytes in the human body, making the immune system comparable in cell mass to the liver or brain...(2 × 1012

(Questions bio 201) Briefly discribe the signal involved in alfaction? Translation process? Homotypic and heterotypic? Explain translation process? What is the rate of MHC in immunuty?enlist some major d/f MH1 MHII molecules? what do u know about endocytosis? D/f phogocytosis and phinocytosis.? Difference b/t confluent monolayers and past confluently stage? CaM kinase || in muscular mobement

BIO201 1 Please elaborate the points in increased cAMP activity 2 2 what are the stem cells how they are different from the specialized cells 2 3 what is the role of regulatory region explain its tow elements? 3 4 How UV light helps to sterilization the equipment?3 5 Short note on transcription 5 6 differentiate the confluent monolayer and past confluent stages? 5 7 Explain process of translation?10 8 Please elaborate the different stages of cell stages? 10

cell cycle explanation 5 marks MHC protein and differecnce b/w mhc1 and mhcII endocytosis abd difference b/w phagocytosis and pinocytosis ..3 mraks difference b/w bcell and t cell functions of the signaling sysem how G protein coupled receptor helps in the vision ....5 marks stem cell and how it different from the other cells cofluent monolawyer and past stages of confluency

Mostly subjective was from past papers. Q: cell cycle in details ..10 marks