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TLS Online TPP Program

#Question id: 3868

The sigma factor of E. coli RNA polymerase: 

#XL - Q Biochemistry

  1. associates with the promoter before binding core enzyme.

  2. combines with the core enzyme to confer specific binding to a promoter.

  3. is inseparable from the core enzyme.

  4. is required for termination of an RNA chain.

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TLS Online TPP Program

#Question id: 2680

#XL - T Zoology

What is alphoid DNA?
TLS Online TPP Program

#Question id: 14989

#XL - S Microbiology

Which of the following cells are considered as a cellular bridge for the innate and adaptive immune system?
TLS Online TPP Program

#Question id: 8938

#XL - R Botany

Cephalization is primarily associated with
TLS Online TPP Program

#Question id: 369

#XL - S Microbiology

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)
TLS Online TPP Program

#Question id: 9261

#XL - R Botany

Which of the following statements about horizontal gene transfer is accurate?