The smog constituent peroxyacetyl nitrate (PAN) dissociates into peroxyacetyl radicals and NO2(g) in a first order reaction with a half-life of 32 min. 

If the initial concentration of PAN in an air sample is 2.7×10¹⁵ molecules/L, what will be the concentration 2.24 h later?

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#Question id: 2087

#Section 3: Genetics, Cellular and Molecular Biology

Phospholipids with short or unsaturated fatty acyl chains

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#Question id: 14450

#Section 1: Engineering Mathematics

Find the adjoint of the matrix A, where A= 

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#Question id: 89

#Section 2: General Biology

In solution α-D-glucopyranose and β-D-glucopyranose ________.

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#Question id: 1145

#Section 3: Genetics, Cellular and Molecular Biology

Phospholipase C is activated by:

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#Question id: 10150

#Section 2: General Biology

Light controls the assembly of chloroplast enzymes into supramolecular complexes one of the enzyme such as Glyceraldehyde-3-P dehydrogenase, this enzyme acivity is dependent on