BLG 143
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, BLG 143
c) restricted rotation around C=C double bonds
d) ionic interactions
e) hydrogen bonding between bases
5. Which functional group is polar and commonly involved in hydrogen bonding,
increasing solubility in water? a) methyl (—CH₃)
b) phosphate (—PO₄²⁻)
c) sulfhydryl (—SH)
d) carboxyl (—COOH)
e) hydroxyl (—OH)
6. Which functional group can act as both an acid and a base in biological systems? a)
methyl
b) amino
c) phosphate
d) hydroxyl
e) carboxyl
7. Polymers are built from monomers by reactions known as:
a) hydrolysis
b) oxidation
c) dehydration (condensation) synthesis
d) phosphorylation
e) reduction
8. Hydrolysis reactions:
a) form covalent bonds between monomers
b) remove water to build polymers
c) use water to break covalent bonds
d) always release energy
e) occur only in acidic environments
9. Which bond links nucleotides together in a nucleic acid strand?
a) peptide bond
b) hydrogen bond
c) glycosidic bond
d) phosphodiester bond
e) disulfide bond
10. In DNA and RNA, the sugar–phosphate backbone is connected to nitrogenous bases via:
a) hydrogen bonds
This study source was downloaded by 1205308 from cliffsnotes.com on 02-04-2026 11:00:45 GMT -06:00
https://www.cliffsnotes.com//study-notes/31488687
This study source was downloaded by 1205308 from cliffsnotes.com on 02-04-2026 11:00:45 GMT -06:00
https://www.cliffsnotes.com//study-notes/31488687
, BLG 143
c) restricted rotation around C=C double bonds
d) ionic interactions
e) hydrogen bonding between bases
5. Which functional group is polar and commonly involved in hydrogen bonding,
increasing solubility in water? a) methyl (—CH₃)
b) phosphate (—PO₄²⁻)
c) sulfhydryl (—SH)
d) carboxyl (—COOH)
e) hydroxyl (—OH)
6. Which functional group can act as both an acid and a base in biological systems? a)
methyl
b) amino
c) phosphate
d) hydroxyl
e) carboxyl
7. Polymers are built from monomers by reactions known as:
a) hydrolysis
b) oxidation
c) dehydration (condensation) synthesis
d) phosphorylation
e) reduction
8. Hydrolysis reactions:
a) form covalent bonds between monomers
b) remove water to build polymers
c) use water to break covalent bonds
d) always release energy
e) occur only in acidic environments
9. Which bond links nucleotides together in a nucleic acid strand?
a) peptide bond
b) hydrogen bond
c) glycosidic bond
d) phosphodiester bond
e) disulfide bond
10. In DNA and RNA, the sugar–phosphate backbone is connected to nitrogenous bases via:
a) hydrogen bonds
This study source was downloaded by 1205308 from cliffsnotes.com on 02-04-2026 11:00:45 GMT -06:00
https://www.cliffsnotes.com//study-notes/31488687
