Name: 20. Which amino acid is least hydrophobic? a. glutamine b alanine e.glycin

Question

Name: 20. Which amino acid is least hydrophobic? a. glutamine b alanine e.glycine 21. PH 14 Degree of titration (%) According to the chart, where is glycine found in the zwitterion form? a. 6.06 b. 2.02 . 10.79 d. 9.49 e. 05 22. The structure of a biomolecule determines the of the molecule. Select the best answer. a. charge b. function c. localization d. hydrophobicity 23. What is the approximate pl of most amino acids? a.3 b.6 c.7 d. 10 24. Which answer does not fit with the idea of complementary of a lock-and-key model for protein-ligand interactions: b. shape c. charge a. size d. hydrophobic/hydrophilic character e. none of the above 25. What type of bond joins saccharides to form polysaccharides peptide e. electrostatic c.phosphodiester a.glycosidic d. van der Waals

Explanation / Answer

20.

Except glutamine, all the other amino acids are moderately hydrophobic.

Option a is the answer

21.

At pH 6.06 acts as a zwitter ion.

Option a is the answer

22.

The structure of any biomolecule determine the function of the molecule.

Option b

23. Approximate PI of most amino acids is around 5.9(6)

Option b is the answer.

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