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TLS Online TPP Program

#Question id: 4372

Which statement is not true about the binding of TBP (TATA binding protein)?

#SCPH28 | Zoology

  1. The TBP subunit is only required for the initiation of transcription of class II genes.

  2. The binding of TBP to DNA distorts the DNA out of the standard B-DNA form.

  3. Contacts between TBP and DNA are mainly in the minor groove.

  4. TBP forms a saddle-shaped molecular clamp that surrounds DNA at the TATA box.

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TLS Online TPP Program

#Question id: 360

#SCPH05 I Biotechnology

Which of the following is considered to be a strong base (alkali)?
TLS Online TPP Program

#Question id: 360

#SCPH06 I Botany

Which of the following is considered to be a strong base (alkali)?
TLS Online TPP Program

#Question id: 360

#SCPH28 | Zoology

Which of the following is considered to be a strong base (alkali)?
TLS Online TPP Program

#Question id: 361

#SCPH01 Biochemistry

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.
TLS Online TPP Program

#Question id: 361

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

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.
TLS Online TPP Program

#Question id: 361

#SCPH05 I Biotechnology

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.