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TLS Online TPP Program

#Question id: 2659

The correct option regarding the lac operon in E.coli from the following is

#SCPH05 I Biotechnology

  1. Lac operon is switched on in the absence of lactose

  2. Lac repressor binds to the lac promoter

  3. β-galactosidase is the only enzyme produced in large quantities when lac operon is turned on

  4. lac operon messenger RNA is a polycistronic mRNA

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TLS Online TPP Program

#Question id: 372

#SCPH01 Biochemistry

Carbon dioxide in the atmosphere dissolves with the raindrops. The pH of raindrops is ________.
TLS Online TPP Program

#Question id: 16032

#SCPH05 I Biotechnology

The major problem associated with the isolation of free cells and cell aggregates from organs is that of
TLS Online TPP Program

#Question id: 1288

#SCPH06 I Botany

Which extracellular matrix component is expressed in a cell-specific manner and binds to the tripeptide sequence Arg-Gly-Asp?
TLS Online TPP Program

#Question id: 2721

#SCPH05 I Biotechnology

With respect to Histone H1 DNA packaging which of the following is false?
TLS Online TPP Program

#Question id: 16482

#SCPH28 | Zoology

In vitro culture and growth of organs or parts thereof in which their various tissue components, functions are preserved both in terms of their structure and function is called as