NU624 2nd Exam Practice Questions and
Answers
B. Haworth projections
-Aldehydes react with alcohols to form hemiacetals, and ketones react with alcohols to form
hemiketals—when this intramolecular reaction occurs, the linear monosaccharide forms a cyclic
structure
-The cyclic structures are...
-All of the above - Ans:✔✔-Which of the following statement is false
A. In an alpha glycoside bond, the linking oxygen atom is pointed up, in the alpha position
B. In a beta glycoside bond, the linking oxygen atom is pointed down, in the beta position
C. Acetal and ketal bonds that connect monosaccharides into disaccharides
D. None of the above
B. Proteins
-Proteins—polymers of amino acids, which contain an amine functional group and a carboxylic acid
functional group - Ans:✔✔-Organic molecule that contains polymers of amino acids, which contain an
amine functional group and a carboxylic acid functional group
A. Carbohydrates
B. Proteins
C. Nucleic Acids
D. Lipids
C. Nucleic Acids
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