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#Question id: 1658


Which of the following statements is TRUE of IgE?

#SCPH05 I Biotechnology
  1. IgE is abundant in saliva

  2. IgE binds strongly to mast cells

  3. IgE cannot bind to macrophages

  4. IgE activates the complement cascade

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TLS Online TPP Program

#Question id: 23154

#SCPH06 I Botany

When the organelles pH is acidic the how the SNARF-1 dye measures this acidity?

TLS Online TPP Program

#Question id: 23155

#SCPH06 I Botany

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

#SCPH06 I Botany

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

#SCPH06 I Botany

Immunofluorescence microscopy, the most widely used method of detecting 

TLS Online TPP Program

#Question id: 23158

#SCPH06 I Botany

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.

TLS Online TPP Program

#Question id: 23159

#SCPH06 I Botany

Rhodamine is a fluorescent dye which emits a colour?