NPTEL Biomedical Nanotechnology Week 2 Assignment Answers 2023

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NPTEL Biomedical Nanotechnology Week 2 Assignment Solutions

NPTEL Biomedical Nanotechnology Week 2 Assignment Answers 2023

2. The tendency of nonpolar substances to aggregate in the aqueous solution and exclude water molecules

  • Metal Ligand Interaction
  • Hydrophobic Interaction
  • Hydrophilic Interaction
  • Van der Waals Interaction
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2. Name a physical technique used to determine the thermodynamic parameters of interactions in a solution

  • TEM
  • SPR
  • ITC
  • FE-SEM
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3. Molecular model of lipid like peptides: A6D can be read as

  • peptides have 6 hydrophobic alanine residues from the N-terminus followed by negatively charged aspartic acid residue
  • peptides have 6 hydrophobic arginine residues from the N-terminus followed by negatively charged aspartic acid residue
  • peptides have 6 hydrophobic alanine residues from the N-terminus followed by positively charged D-lysine residue
  • peptides have 6 hydrophobic arginine residues from the N-terminus followed by positively charged D-lysine residue
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4. Technique used for capturing specific target proteins and mapping their binding epitope containing peptide

  • Lin’s technique
  • Brown’s technique
  • Fen’s technique
  • Mark’s technique
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5. Fine grades of (i) polydextran beads are most commonly used for column chromatographic separation of (ii), while medium/coarser grades are required for (iii).
Choose the correct combination:

  • i.-Sephadex G550, ii-LUV, iii-SUV
  • i.-Sephadex G-50, ii-LUV, iii-SUV
  • i.-Sephadex G-50, ii-SUV, iii-LUV
  • i.-Sephadex G-550, ii-SUV, iii-LUV
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6. Which of the following is not the top-down technology for fabrication of the bioactive loaded SLNs for food application?

  • Emulsification method
  • High-pressure homogenization
  • Microfluidization
  • Membrane contactor method
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7. Molecular communication follows the steps mentioned below as per their order of occurrence:

  • Encoding-Sending-Propagation-Decoding-Receiving
  • Encoding-Propagation-Sending-Receiving-Decoding
  • Encoding-Sending-Propagation-Receiving-Decoding
  • Encoding-Propagation-Decoding-Sending-Receiving
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8. Consider the following steps in bacterial chemotaxis:

a. Chemoreceptors transmit information to a central processing system
b. Central processing integrates many inputs and sends a signal to control flagellar motors
c. Attractants/repellents bind to chemoreceptors

Choose the appropriate sequence of events

  • c – b – a
  • c – a – b
  • b – a – c
  • b – c – a
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9. The following effects are observed due to the functionalization of carbon nanotubes:
i. Purity enhances
ii. Water solubility decreases
iii. Aggregation of the individual CNTs decreases
iv. Biocompatibility enhances
Choose the incorrect/irrelevant option:

  • i, iv
  • i, ii
  • iii, iv
  • i, iii, iv
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10. Assertion (A): Carbon nanotubes are highly soluble in water.
Reason (R): Functionalization of carbon nanotubes has no impact on its water solubility.

  • Both A and R are true and R is the correct explanation of A
  • Both A and R are true but R is not the correct explanation of A
  • A is true but R is false
  • Both A and R are false
Answer :- For Answer Click Here
Course NameBiomedical Nanotechnology
CategoryNPTEL Assignment Answer
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