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: 2636

#I Life Science/ Life Sciences Group – I-V

Which of the following events occur when E. coli is starved for tryptophan?

I.  The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site

TLS Online TPP Program

#Question id: 4740

#SCPH28 | Zoology

Following metabolic pathway for synthesis of anthocyanin product ? Which of the following cross produced all purple phenotype in their progeny ?

TLS Online TPP Program

#Question id: 10394

#SCPH05 I Biotechnology

The interconversion of phytochrome Pr to Pfr form proposed by

TLS Online TPP Program

#Question id: 655

#SCPH05 I Biotechnology

A change from one conformation of a molecule to another involves ________.

TLS Online TPP Program

#Question id: 3670

#SCPH05 I Biotechnology

The best-known examples of host-encoded site-specific recombination systems used to resolve plasmid dimers are the cer-XerCD site-specific recombination systems used by the