Which of the following events is associated with the first heart sound?

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#Question id: 20222

#XL - P Chemistry

In which molecules / ion have not all the equal bonds ?

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#Question id: 4612

#XL - S Microbiology

The greatest number of endemic species is expected in environments that are ________.

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#Question id: 19575

#XL - P Chemistry

When copper chips are exposed to concentrated nitric acid, which gas is produced?

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#Question id: 10150

#XL - R Botany

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

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#Question id: 19548

#XL - P Chemistry

As the alkaline earth metal (except Be) tend to lose their valence electron readily they act as: