TLS Online TPP Program

#Question id: 700


Which of the following statements is false?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Collagen is a protein in which the polypeptides are mainly in the alpha-helix conformation.

  2. Gly residues are particularly abundant in collagen.

  3. Disulfide linkages are important for keratin structure.

  4. Silk fibroin is a protein in which the polypeptide is almost entirely in the alpha conformation.

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TLS Online TPP Program

#Question id: 22023

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct equation for Haldane reversible reaction

TLS Online TPP Program

#Question id: 22024

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the statements regarding competitive inhibition are given below
a)  The effect of a competitive inhibitor depends on the inhibitor concentration, the substrate       concentration and the relative affinities of the substrate and the inhibitor for the enzyme.
b) if the substrate concentration is low, the degree of inhibition will be great.
c) the substrate concentration is high, then the degree of inhibition will be marked low
d) non-competitive inhibitor can combine with an enzyme molecule to produce a dead-end complex
Choose the incorrect statement

TLS Online TPP Program

#Question id: 22025

#Unit 1. Molecules and their Interaction Relevant to Biology

The Lineweaver-Burk equation in the presence of a competitive inhibitor will be: and Lineweaver-Burk plot showing the effect of competitive inhibition are shown
       
                      
What will be the value of X and X’ for above graph

TLS Online TPP Program

#Question id: 22060

#Unit 1. Molecules and their Interaction Relevant to Biology

Km can be calculated from two ways from Lineweaver-Burk equation, choose the most appropriate one

TLS Online TPP Program

#Question id: 22937

#Unit 5. Developmental Biology

Gene for regulatory pathway that promotes flowering of Arabidopsis in long days:

TLS Online TPP Program

#Question id: 22938

#Unit 5. Developmental Biology

Genes that regulate flowering, have different transcription factors and functions:
 
Choose correct match: