TLS Online TPP Program

#Question id: 24268


What is the main difference between I-domain and non-I-domain containing α subunits of integrin respectively?

#Unit 4. Cell Communication and Cell Signaling
  1. Non-I-domain containing α subunits recognize collagens in ECM & CAMs on other cells and I-domain containing α subunits recognize RGD motif.
  2. Non I-domains containing α subunits recognize ICAMs, VCAMs and participate in cell-cell adhesion and I-domain containing α subunits recognize KH motif.
  3. Non-I-domain containing α subunits recognize RGD motif  and I-domain containing α subunits recognize collagens in ECM & CAMs on other cells.
  4. Non-I-domain containing α subunits recognize collagens in ECM & RGD motif both cells and I-domain containing α subunits recognize RGD motif only.
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TLS Online TPP Program

#Question id: 649

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose INCORRECT statement from the following

TLS Online TPP Program

#Question id: 650

#Unit 1. Molecules and their Interaction Relevant to Biology

On the basis of hypothetical binding curve given below, which of the following statement is INCORRECT

TLS Online TPP Program

#Question id: 651

#Unit 1. Molecules and their Interaction Relevant to Biology

Consider an enzyme catalysed reaction treated with inhibitor. Enzyme kinetic was analysed with Eadie Hofstee equation. A plot of V0 versus V0/[S] for an enzyme-catalyzed reaction is shown below. The control curve was obtained in the absence of inhibitor. Which effect is shown on the enzyme activity when an inhibitor is added to the reaction mixture?

TLS Online TPP Program

#Question id: 652

#Unit 1. Molecules and their Interaction Relevant to Biology

Two proteins, X and Y, bind to the same ligand, A, with the binding curves shown below. Which of the statement is correct for the graph analysing two proteins?

TLS Online TPP Program

#Question id: 653

#Unit 1. Molecules and their Interaction Relevant to Biology

For the enzyme-catalyzed reaction S ~ P, Keq = 5, which of the following curves best represents the change in [S] that occurs with time when S is added to a solution containing the appropriate enzyme?

TLS Online TPP Program

#Question id: 653

#Unit 1. Molecules and their Interaction Relevant to Biology

For the enzyme-catalyzed reaction S ~ P, Keq = 5, which of the following curves best represents the change in [S] that occurs with time when S is added to a solution containing the appropriate enzyme?