A. Lampbrush chromosomes are formed during an unusually extended mitosis

B. The lampbrush chromosomes are meiotic bivalents, each consisting of paired homologous chromosomes that have been replicated

C. The lampbrush chromosomes are held together only by chiasmata that indicate points of chromosome crossover.

D. The loops around Lampbrush are surrounded by a matrix of ribonucleoproteins that contain nascent RNA chains.

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#Question id: 23153

#Unit 13. Methods in Biology

SNARF-1is a fluorescent dye used to measure which ion concentration?

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#Question id: 23154

#Unit 13. Methods in Biology

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

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#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.