Protein A has four identical subunits, each of which binds one molecule of ligand Y. The binding of one molecule of Y to one of the subunits induces a conformational change in neighboring subunits that enhances the binding of additional units of Y. This is an example of________.

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#Question id: 2996

#Section 2: General Biology

Cell death approximately equal to cell division is found in

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#Question id: 2997

#Section 2: General Biology

Composed of population of cell that at the same stage of their cell cycle

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#Question id: 2998

#Section 2: General Biology

Which of the following statement are correct?

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#Question id: 2999

#Section 2: General Biology

Agar is superior to gelatin as a solidifying agent because agar

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#Question id: 3000

#Section 2: General Biology

Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, whichstatement concerning mycoplasmas should be true?

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#Question id: 3001

#Section 2: General Biology

Which of the following participate in heat resistance of endospore?