Which of the following enzyme has a unique ability to introduce positive and negative supercoiling of the DNA and it is the target for antibacterial agents such as ciprofloxacin/quinolones?

#Question id: 2156

#SCPH28 | Zoology

Proteins known to be involved in Golgi apparatus independent transport of lipids include

a. StAR protein.                                 

b. Neimann-Pick C1 (NPC1) protein.

c. HMG CoA reductase.                    

d. acyl:cholesterol acyl transferase (ACAT).

e. cholesterol 7α-hydroxylase.  

#Question id: 12725

#SCPH05 I Biotechnology

#Question id: 455

#SCPH05 I Biotechnology

Which of the following is correct for a step in a reaction pathway to serve as a control point

A) irreversible  B) endergonic  C) far from equilibrium

#Question id: 5584

#SCPH01 Biochemistry

Which one of the following provides rapid block to polyspermy during sea urchin fertilization?

#Question id: 7011

#SCPH01 Biochemistry

The vertebrate brain and spinal cord start their development as a flat plate of neuroepithelial cells that folds up along most of its length to form a tube. The process of forming this neural tube is called neurulation. Which of the following signals play important role in both neurulation and cell fate patterning of neural tube?