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TLS Online TPP Program

#Question id: 612

 The quaternary structure of hemoglobin changes from the T state to the R state ________.

#SCPH05 I Biotechnology

  1. when at least one subunit on each dimeric unit (αβ dimer) is oxygenated

  2. only after four molecules of O2 are bound

  3. after the binding of one molecule of O2 causes a change in the primary structure

  4. when hemoglobin is completely deoxygenated

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TLS Online TPP Program

#Question id: 11406

#SCPH06 I Botany

Which of the following is true for a critically endangered species?
TLS Online TPP Program

#Question id: 10349

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

Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?
TLS Online TPP Program

#Question id: 1276

#SCPH05 I Biotechnology

Which of the following does not belong to the major families of cell surface adhesion molecules?
TLS Online TPP Program

#Question id: 801

#SCPH05 I Biotechnology

Identify the type of DNA from the structures given below and match the correct form with its characteristics described.
TLS Online TPP Program

#Question id: 12728

#SCPH06 I Botany

Name the type of RNA which folds up to give a cloverleaf secondary structure.