Which of the following features of prokaryotic biology involves metabolic cooperation among cells?

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#Question id: 1417

#4. Cell Communication and Cell Signaling

Which of the following triggers apoptosis?

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#Question id: 23326

#Aptitude

The need of philosophical research method is desired in

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#Question id: 24162

#Aptitude

Black-and-white camera film, in the old days of film photography, was very sensitive to blue light but not to red light. Blue skies would often show very little detail, because the film couldn’t record all that it was seeing. To compensate, photographers would put a red filter on the lens, darkening the sky enough that the film could record its fluffy clouds.

This paragraph best supports the statement that

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#Question id: 317

#1. Molecules and their Interaction Relevant to Biology

Hydrogen bonds can occur when hydrogen is covalently bonded to atoms like nitrogen and oxygen. What property of nitrogen and oxygen is important for this?

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#Question id: 299

#1. Molecules and their Interaction Relevant to Biology

Which bond acts like a bridge two molecules formed by a covalent bond?