MSc Biotechnology SEM I 2022 2023 Jan 2023 BIOTECHNOLOGY CELL BIOLOGY Question Paper - Mumbai University | munotes

Questions asked in this paper

• 3) Figures to the right indicate full marks

1. Q4 All questions carry equal marks Answer the following (Any Two) 12
   • a) brief account on transcription in eukaryotic cells
   • b) Enlist different types of proteins associated with cell membranes and explain any three in detail
   • c) | How does the process of initiation differ in bacterial and eukaryotic cells with respect to translation?
   • d) Give a brief account on chemical organization of cells Answer the following (Any two) 12
   • a) Explain the molecular mechanism of transport vesicle formation for membrane
   • b) explain transport of molecules between nucleus and cytosol
   • c) Describe the propagation of action potential across the nerve membrane
   • d) — Enlist and Explain any three types of neurotransmitters Give an account of the following (Any two) 12
   • a) Checkpoints in the cell cycle
   • b) Structure of Collagen and its role as Matrix Structural proteins
   • c) Adhesion junctions and their role in cell-cell interactions
   • d) of Cilia and Flagella
2. Q4 Answer the following (Any two) 12 marks
   • a) Define the term Mutation. Explain Frame-shift mutations and Base pair substitution mutations with one example each
   • b) What do you understand about Oncogenes? Elaborate on Retroviruses as the cause of the cancer induction
   • c) Transposons. Discuss in detail any two types of the prokaryotic
   • d) What are proto-oncogenes? Discuss in detail the causes of the changes of proto Write short notes on (Any Three) 12
   • a) brief account on the elongation step of translation in bacteria
   • d) Medical applications of Stem cells
   • e) Spontaneous mutations
   • f) | AC-DC elements in plants

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