Jams, jellies, preserves, honey, and other foodstuffs with a high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. This is because bacteria that encounter such an environment

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#Question id: 24548

#Unit 9. Diversity of Life Forms

Many phenotypic traits are genetically variable within species, they can readily evolve by

a. natural selection

b. adaptation

c. genetic drift

d. mutation

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#Question id: 28053

#Unit 1. Molecules and their Interaction Relevant to Biology

The most important parameter relating to the energy of an H-bond in protein structure is 

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#Question id: 11437

#Unit 1. Molecules and their Interaction Relevant to Biology

Match with their respective structure

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#Question id: 15276

#Unit 13. Methods in Biology

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using

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#Question id: 13119

#Unit 2. Cellular Organization

Ions, small metabolites, and globular proteins up to about ---------- can diffuse passively through the central aqueous region of the nuclear pore complex.