TLS Online TPP Program

#Question id: 13041


Which of the following is incorrect about Data Collection? 

#Part-A Aptitude & General Biotechnology
  1. The two-color microarray uses multiple dyes at times 
  2. The most common type of microarray protocol is the two-color microarray 
  3. The cDNAs are obtained by extracting total RNA or mRNA from tissues or cells and incorporating fluorescent dyes in the DNA strands during the cDNA biosynthesis 
  4. The expression of genes is measured via the signals from cDNAs hybridizing with the specific oligonucleotide probes on the microarray
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TLS Online TPP Program

#Question id: 13030

#Part-A Aptitude & General Biotechnology

The mutation in Vir F will cause the interference in –

TLS Online TPP Program

#Question id: 13034

#Part-A Aptitude & General Biotechnology

Which the following statements is/are true about the stacking gel?
i. The stacking gel solution contains acrylamide.
ii. It is on the top of the separating gel.
iii. It is used to dilute the protein sample before it enters the main separating gel.
iv. It is into this gel that the wells are formed and the proteins loaded.

TLS Online TPP Program

#Question id: 13038

#Part-A Aptitude & General Biotechnology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order
i. incubate with antibody-enzyme complex that binds primary antibody
ii. coat surface with antigen, block unoccupied sites with nonspecific protein
iii. add substrate, formation of colored product indicates presence of specific antigen
iv. incubate with primary antibody against specific antigen

TLS Online TPP Program

#Question id: 13039

#Part-A Aptitude & General Biotechnology

 Which of the following is incorrect about a microarray?

TLS Online TPP Program

#Question id: 13040

#Part-A Aptitude & General Biotechnology

Which of the following is incorrect about Oligonucleotide Design in A microarray? 

TLS Online TPP Program

#Question id: 13042

#Part-A Aptitude & General Biotechnology

For analyzing DNA sequences, two techniques have been developed, one is _________ method frequently termed_________, involving the enzymatic synthesis of DNA and stopping the synthesis at specific nucleotides. While another technique, the __________ method of DNA sequencing developed by ___________ is often used for sequencing small fragments of DNA.