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TLS Online TPP Program

#Question id: 2620

Which option is correct about catabolite activator protein binds as

#SCPH01 Biochemistry

  1. Tetramer to a site similar in length to that of the lac operator

  2. This site is located some 60 bp upstream of the start site of transcription

  3. When CAP binds to that site, the activator helps polymerase bind to the operator

  4. This cooperative binding stabilizes the binding of polymerase to the promoter

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TLS Online TPP Program

#Question id: 18386

#SCPH05 I Biotechnology

Biomagnification occurs mainly because of the following reasons
I. compounds are taken up from the environment and accumulated in the lipid deposits of body
II. organisms are consumed by other organisms in a non- sequential manner constituting the food chain
Which of the above statements are incorrect?
TLS Online TPP Program

#Question id: 19666

#SCPH05 I Biotechnology

The Lucas test was carried out on three different compounds: A, B, and C. Compounds A and B were turbid at ambient temperature, while compound C did not become turbid until it was heated. Which one of the compounds is tertiary in structure?
TLS Online TPP Program

#Question id: 2958

#SCPH28 | Zoology

Which of the following structures is not a feature of the mitotic chromosome?
TLS Online TPP Program

#Question id: 19494

#SCPH05 I Biotechnology

Neutron was discovered by ————–
TLS Online TPP Program

#Question id: 15182

#SCPH28 | Zoology

Which of the following types of effect are responsible for lowering the efficiency of electrophoresis?