Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?

#Question id: 13156

#Section 3: Genetics, Cellular and Molecular Biology

#Question id: 4152

#Section 3: Genetics, Cellular and Molecular Biology

The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?

1.  A chaperone, SecA, binds to the polypeptide.

2.  A chaperone, SecB, binds to the polypeptide.

3.  ATP is hydrolyzed by Sec A.

4.  SecA pushes 20 amino acids of the polypeptide into the translocation complex.

#Question id: 10790

#Section 6: Plant, Animal and Microbial Biotechnology

chalcone synthase (CHS) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of CHS;

 a) Chalcone synthase catalyzes the conversion of p-Coumaroyl-CoA into Chalcones

 b) Substrate for Chalcone synthase is chalcone

 c) CHS activity increased by environmental factors, such as light, and fungal infection

 d) Chalcone synthase is enzyme in flavonoid biosynthesis catalyzes stepwise condensation into p-Coumaric acid by using Malonyl-CoA molecules

 Which of the following combinations of above statement is true?

#Question id: 14400

#Section 5: Bioprocess Engineering and Process Biotechnology

internal mass transfer effects are eliminated when the internal effective ness factor is 

#Question id: 14173

#Section 5: Bioprocess Engineering and Process Biotechnology