Friday
July 25, 2014

Posts by Poonam


Total # Posts: 8

kv
A reference solution is to be prepared with 5 PPM parabenzopyrene (molecular weight = 252). The quantity of parabenzopyrene required for preparing one litre 5 PPM solution is

biochemistry
The amino acid arginine (R) has how many ionizable protons?

biochemistry
The amino acid R has how many ionizable protons?

biology
i cannot access the link; can you please post the full link

biology
What is a tissue-specific knockout mouse and an inducible knockout mouse?

chemistry
The time required for the completion of 99.9% of a first order reaction is equal to how many times that of its half life? (A)2 (B)3 (C)5 (D)10

Science
The line spectra of two elements are not identical because- (A)The element do not have the same number of neutrons (B)They have different mass numbers (C)Their outermost electrons are at different energy levels (D)They have different valencies

math
cotxcot2x-cot2xcot3x-cot3xcotx

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