Principles of stem cell regulation including extracellular mechanism which define the physical and chemical regulation, which of the following statements best describe the main differences between these two mechanism?

a) physical mechanism takes the form of secreted proteins from surrounding cells that influence stem cell & progenitor differentiation through endocrine

b) Chemical mechanisms including Structural & adhesion factors within the extracellular matrix 

c) physical mechanisms including Structural & adhesion factors within the extracellular matrix 

d) chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell & progenitor differentiation through endocrine

#Question id: 844

#Unit 1. Structure and Function of Biomolecules

It is a given set of conditions that are required  for the maintenance of the active set of cellular proteins

#Question id: 845

#Unit 1. Structure and Function of Biomolecules

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding

#Question id: 846

#Unit 1. Structure and Function of Biomolecules

The maintenance of the steady-state collection of active cellular proteins required under a particular set of conditions, called ______.

#Question id: 847

#Unit 1. Structure and Function of Biomolecules

A proposed pathway for the action of E.coli chaperonins  are groEL and groES.groEL exist in trans and cis structure transferring with its bound ATP now become the cis ring once the groES  bound to it ATP hydrolysis takes place and improperly folded protein get properly folded, total number of  ATP molecules are required to per folding cycle;

#Question id: 848

#Unit 1. Structure and Function of Biomolecules

Which of the brain diseases is not caused by the misfolding of brain proteins in mammals

#Question id: 849

#Unit 1. Structure and Function of Biomolecules

The rigidity of the peptide unit and the restricted set of allowed phi and psi angles limits the number of structures accessible to the unfolded form sufficiently to allow:-