In any subshell the maximum number of electrons having same value of spin quantum number is

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#Question id: 3050

#XL - S Microbiology

Agar is well suited as a solidifying agent because

A. it has been melted in boiling water

B. it can be cooled to about 40 to 42°C before hardening

C. it will not melt again until the temperature rises to about 80 to 90°C.

D. most microorganisms cannot degrade it.

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#Question id: 8921

#XL - R Botany

Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?

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#Question id: 17804

#XL - S Microbiology

Which of the following is a secondary compound of embryophytes? 

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#Question id: 348

#XL - S Microbiology

Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.

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#Question id: 3913

#XL - Q Biochemistry

The sigma-70 subunit