Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 19014
TLS Online TPP Program

#Question id: 10279

Phosphohexose isomerase is one of the enzyme of glycolysis which catalyzes Glucose 6-phosphate to Fructose 6-phosphate, enzyme bind with the hexose in their active site by opening the structure. The ring opening and closing reactions are catalyzed by an active-site present amino acid such as

#XL - Q Biochemistry
  1. Glutamate residue
  2. Histidine residue
  3. Lysine residue   
  4. Tyrosine residue              
More Questions
TLS Online TPP Program

#Question id: 17076

#XL - R Botany

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 4144

#XL - T Zoology

The Wobble Hypothesis suggests that:
TLS Online TPP Program

#Question id: 2193

#XL - S Microbiology

A membrane is examined using freeze-fracture and freeze-etch analysis. The surfaces are shown to have almost no pits or bumps. Which of the following is the most likely source of the membrane?
TLS Online TPP Program

#Question id: 811

#XL - Q Biochemistry

Protein S will fold into its native conformation only when protein Q is also present in the solution.  However, protein Q can fold into its native conformation without protein S.  Protein Q, therefore, may function as a ____________ for protein S.
TLS Online TPP Program

#Question id: 1698

#XL - Q Biochemistry

An example of a “non-classical” MHC molecule is: