My Rossette pET E. Coli suddenly turn pink, particularly with one 100 and one 1000 Neat Dilution ?

Dear Colleagues I am working on genes for more salt tolerance, however, suddenly I observed that my colonies in plate turn pink, particularly, with low population of E. coli Rossette pEt... I...

07 August 2019 7,483 2 View

How monocotyledonus plants experience secondary growth.However, their fascular bundles devoid of cambium?

Stem thickening is achieved with out vascular cambium

09 October 2017 2,565 2 View

How to determine Nitrate in plant tissue by cardy chlorometer

04 May 2017 440 3 View

What are the risks of consuming gene modified crops?

07 August 2016 1,237 8 View

Why our wheat flour for bread required amendment with pulse flour and others?

07 August 2016 8,909 2 View

Why Alkaloids are formed in plant cells?

06 July 2016 6,431 6 View

Why crystals are formed in plant cells, particularly in parenchymatus?

06 July 2016 3,000 3 View

Why shade plants manifested longer internodes and thinner leaves?

When plants of the same cultivar cultivated in high populations or grown in shade their internodes being longer and their leaves thinner and of higher area than those cultivated in natural sun light.

05 June 2016 5,507 1 View

What is the mechanism by which pH facilitate metabolic reactions?

In most chemical analysis for determination of a given compounds, protocol is usually, recommended a given pH if we do not confined to this pH we will not accomplished the desired...

05 June 2016 676 7 View

What are the roles of Auxins and Ferulic acid in cell wall expansion?

05 June 2016 3,935 0 View

What is this fern?

Please help me to identify this fern species. Thank you in advance.

24 February 2021 2,435 5 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Mixture neutralization after Boc deprotection ?

I am performing a Boc-deprotection with HCl in organic solvent (dioxane or Ethylacetate) but would like to isolate the free amine. Several problems: - Neutralizing with inorganic base as NEt3...

18 February 2021 3,366 3 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

Is the logarithmic transformation a necessary step in time series analysis ?

Hello, I'm checking if the log-tranformation of time series data is a necessary step; We all know the aim of such transformation, but in every study (in time series analysis) we found the authors...

15 February 2021 5,655 14 View

How much amount of DNA (ligation mix) should I use for transformation?

Hi Fellow Scientists! I am trying to clone my 300 bp insert into a 6 kb vector. I run a few different ligation reactions using (1:3 vector: insert molar ratios) 10, 20,30, and 40 ng/ul vector...

15 February 2021 9,563 6 View