BSc Biotechnology Sem V 2017 18 2017-18 Biotech Cell Biology Question Paper - Mumbai University | munotes

Questions asked in this paper

• Please check whether you have got the right question paper

1. Q2 All questions carry equal marks
2. Q4 Use of log books and non-programmable calculator is allowed
3. Q1 a) Define any three of the following 3 marks
   • iii. Desensitization
   • b) Discuss any two of the following 12
   • i. Different types of receptors in signal transduction
   • ii. Role of any two second messengers
   • iii. Extracellular signal molecules and response of to multiple signals
   • iv. The effect of lifetime of an extracellular messenger on cell signaling
4. Q2 a) Name any three of the following 3 marks
   • i. The phase of cell which chromosome segregation and cell division occurs
   • ii. Example of cells that are highly specialized and lack the ability to divide
   • iii. Proteases with a key cysteine residue that are activated at early stage of apoptosis
   • iv. A protein that has the ability to kill tumor cells Genes that encode proteins that inhibit excessive cell proliferation
   • vi. A protein that initiates entry of a cell into M phase
   • b) Give an account of any two of the following. 12
   • i. Cell cycle check points and its importance Mitochondria mediated pathway of apoptosis
   • iii. Role of cyclin dependent kinases in cell cycle
   • iv. Significance of apoptosis directed (any three) 03
   • i. Define-Antimicrobial agent
   • ii. Give one example of broad spectrum antibiotic ili. State True or False- Bactericidal process is irreversible while bacteriostasis is reversible
   • iv. Fill in the blank- The ratio of toxic dose to therapeutic dose is called Name the microorganism that produces Gentamicin
   • vi. Give one example of antifungal agent OF20BDB8E2502FE06692B79F2D11899B
   • Q.P. Code :01238
   • b) Answer any two of the following 12
   • i. With the help of two examples explain the mechanism of inhibition of synthesis by
   • ii. Explain the mechanism of action of Streptomycin and Erythromycin
   • iii. Elaborate on the discovery and design of antimicrobial agents
   • iv. How does drug resistance originate and get transmitted?
5. Q4 a) Do as instructed any three of the following 3 marks
   • ii. State true or false:- Frequency polygon is a line graph
   • iii. Square root of variance is
   • iv. What is the shape of normal probability curve? Vv. Define independent and dependent variables in regression analysis
   • vi. Give one application of chi-square test
   • b) Attempt any two of the following 12
   • i. Explain with example measures of central tendency
   • ii. Give the steps in testing statistical hypothesis
   • iii. Calculate the coefficient of correlation for the following data
   • iv. treatment, the patients were tested to see the effect of a potential antihypertensive drug 50 patients were assigned to receive the dose of active drug and 50 as placebo at random. Their response to treatment was categorized as favourable and unfavourable. The data is given in the table
6. Q5 Write short notes on any three of the following 15 marks
   • i. Modes of action of antiviral agents
   • ii. Classification of antibacterial agents
   • iv. Role of GAP junctions in cell signaling
   • v. Dissociation constant of receptor ligand complex
   • vi. Scope of Biostatistics OF20BDB8E2502FE06692B79F2D11899B

Read from the scan above, so a character or two may differ. The scan is the original.