Why whitefly more on leaf undersurface?

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If i want to test a particular compound/metabolite on my yeast strains ?

If i want to test a particular compound/metabolite on my yeast strains ( which have been transformed with the desired disease plasmid and shows the phenotype) . Then what is the method that I...

06 July 2018 3,077 0 View

Area under disease progress curve?

In plant pathology experiments generally disease severity measured in terms of grades of affected leaf area in relation to time is used for plotting the area under the disease progress...

05 June 2018 7,948 0 View

Which is better to suspend extracted DNA?

Which is a better one to suspend extracted DNA? TE buffer or ultrapure water?

05 June 2018 3,821 4 View

Long term storage of leaf tissue in CTAB buffer?

Can a leaf tissue be suspended in CTAB buffer until its DNA extraction? like for example if i go to a field and collect the leaf tissue and suspend the leaf tissues in CTAB in an eppendorf tube...

05 June 2018 1,556 1 View

CTAB DNA extraction method for insects?

IS CTAB buffer method of DNA extraction suitable for extracting insect DNA?

05 June 2018 7,925 2 View

Avoiding clumping of DNA ladder?

my 100 bp and 1kb ladder are not separating properly in gel inspite of providing the optimum agarose concentration, voltage and running time. the individual size bands dont spatially separate...

05 June 2018 1,059 0 View

Pre heating of CTAB buffer?

In what way does preheating of CTAB buffer prior to DNA extraction from leaf tissues improve the efficacy of DNA extraction or DNA recovery

05 June 2018 3,579 4 View

Preserving clones in glycerol stock?

I have cloned my virus in puc 18 vector. Right now Iam maintaining the clones by repeated subculture on lb medium amended with ampicillin. Is it possible to maintain the clones in glycerol...

04 May 2018 3,469 2 View

Increased manganese availability in flooded soils?

plants like paddy dont suffer from manganese deficiency since they are grown in flooded soils? what is the reason for the increased availability of manganese in flooded soils?

03 April 2018 1,479 3 View

Readymix of mastermix and long term storage?

Is it possible to make a readymix of PCR reaction cocktail involving components like water, dntps, taq polymerase etc. and keep it under long term storage for future use or should we use the mix...

03 April 2018 9,805 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

What is this fern?

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

24 February 2021 2,435 5 View

What might be the reason for obtaining two bands in plant genomic DNA extraction?

I got a thin band and a thick band i guess it would be the genomic DNA and the 260/280 ratio is 3.

21 February 2021 6,523 6 View

Sener Akinci

There may be two reasons: They prefer undersurface since they work! more efficiently away from direct sunlight and other harmful effect (even predators can not see them); the other cuticle layer generally thinner and sugars can be sucked easily using this side...

J. C. Tarafdar

Leaf under surface can help to avoid rain and solar ultraviolet radiation. It also helps to direct reach of predators as well as safe place to lay eggs.