Which of the following would most likely occur if an in vitro transcription assay is performed using a cell extract containing an alpha subunit without the C-terminal domain? 

#Question id: 626

#Unit 1. Structure and Function of Biomolecules

A metabolic pathway proceeds according to the scheme, R -> S -> T -> U -> V -> W.  A regulatory enzyme, X, catalyzes the first reaction in the pathway.  Which of the following is most likely correct for this pathway?

#Question id: 627

#Unit 1. Structure and Function of Biomolecules

Which of the following is correct ‘Dixon Plot’ for competitive inhibition for enzymes 

#Question id: 628

#Unit 1. Structure and Function of Biomolecules

At fixed substrate concentration, which of the following equation is correct for Dixon plot

#Question id: 629

#Unit 1. Structure and Function of Biomolecules

In the presence of a fixed concentration of a competitive inhibitor, which of the following would best characterize an enzyme-catalyzed reaction when the concentration of the substrate is increased?

#Question id: 630

#Unit 1. Structure and Function of Biomolecules

In case of competitive inhibition, plots of Km against [Io] fixed [Eo] have

#Question id: 631

#Unit 1. Structure and Function of Biomolecules

Two curves showing the rate versus substrate concentration are shown below for an enzyme-catalyzed reaction. One curve is for the reaction in the presence of substance X. The other curve is for data in the absence of substance X. Examine the curves and tell which statement below is false.