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TLS Online TPP Program

#Question id: 11230

Which statement about bacterial cell walls is false?

#Unit 9. Diversity of Life Forms
  1. Bacterial cell walls differ in molecular composition from plant cell walls.
  2. Cell walls prevent cells from bursting in hypotonic environments.
  3. Cell walls prevent cells from dying in hypertonic conditions.
  4. Bacterial cell walls are similar in function to the cell walls of many protists, fungi, and Plants
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TLS Online TPP Program

#Question id: 23153

#Unit 13. Methods in Biology

SNARF-1is a fluorescent dye used to measure which ion concentration?
TLS Online TPP Program

#Question id: 23154

#Unit 13. Methods in Biology

When the organelles pH is acidic the how the SNARF-1 dye measures this acidity?
TLS Online TPP Program

#Question id: 23155

#Unit 13. Methods in Biology

Match the following ions in column I with their relevant dyes column II.
Column I                                                       Column II
1. K+                                                                 a. Fura-2
2. Ca2+                                                             b. SNARF-1
3. H+                                                                 c. Ion potassium green
Which of the following options is correct?
TLS Online TPP Program

#Question id: 23156

#Unit 13. Methods in Biology

Most widely used method of detecting specific proteins, uses an antibody to which a fluorescent dye has been covalently attached
TLS Online TPP Program

#Question id: 23157

#Unit 13. Methods in Biology

Immunofluorescence microscopy, the most widely used method of detecting 
TLS Online TPP Program

#Question id: 23158

#Unit 13. Methods in Biology

You have purified protein X and injected into an animal so that over a period of weeks, the animal will mount an immune response and make antibodies to protein X. By which technique these generated antibodies can be extracted from blood serum.