Heba Kamal Issa

5 Questions 13 Answers 0 Followers

Questions related from Heba Kamal Issa

Why enzymes couldnot migrate from wells to stacking gel in electrophoresis? Is there is problem in its precipitation?

i have precipitated enzyme by acetone.. when i use coomassie staining in native gel electrophoresis, it couldnot migrate to stacking and then resolving gel. is there is a problem in acetone...

11 January 2023 2,320 5 View

What is suitable temperature at reaction mixture of lipase activity assay?

I use para nitrophenyl palmitate substrate with tris buffer ph 8... i read many temperature for Yellow color of para nitro phenol production.. 37 and 50 and 40 at water bath ... I confused as i...

05 February 2021 9,255 5 View

In which region microbial count ,diversity and activity are higher: the rhizosphere or the rhizoplane?

Some times I read the higher is in rhizosphere and some times I read the higher is in rhizoplane... so I want your opinions and causes of your opinion.

20 February 2015 2,372 1 View

Why do bacteria produce spore after less than 24h of growth?

On examination of bacteria growing after less than 24h , I found endospore! Is this medium not proper to this bacterium ?

03 February 2015 1,043 8 View

Does spiral bacteria produce endoospore ?

When examined under microscope, bacteria looks like a spiral but there is endospore, so I doubt it is curved bacilli ... I attach an image of the bacteria under microscope

02 February 2015 575 18 View