The following graph shows the kinetics curves for the reaction of oxygen with hydrogen to form water:

O2(g) + 2H2(g) → 2H2O(g). Which curve is hydrogen?

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#Question id: 162

#Section 2: General Biology

All of the amino acids that are found in proteins, except for proline, contain a(n):

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#Question id: 164

#Section 2: General Biology

The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

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#Question id: 165

#Section 2: General Biology

Amino acids are ampholytes because they can function as either a(n):

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#Question id: 166

#Section 2: General Biology

For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:

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#Question id: 168

#Section 2: General Biology

 The peptide alanylglutamylglycylalanylleucine has:

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#Question id: 169

#Section 2: General Biology

 An octapeptide composed of four repeating glycylalanyl units has: