30) Portions of biological compounds, found in living cells that can be reactive are known as ________.
A) Fixed groups
B) Static groups
C) Functional groups
D) Essential groups
Answer: D
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.1
31) Under acidic conditions, amino groups are mostly ________.
A) Partially protonated
B) Fully protonated
C) Partially deprotonated
D) Fully deprotonated
Answer: B
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.1
32) When monomers covalently attach to each other to form a macromolecule, what product is often formed?
A) CO2
B) O2
C) NH2
D) Water
Answer: D
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.1
33) The condensation of the α-amino and α-carboxyl groups of two amino acids results in the formation of a ________.
A) Lipid bond
B) Peptide bond
C) Monosaccharide bond
D) Non-covalent bond
Answer: B
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
34) Which of the following can determine whether an enzyme is functional or not?
A) Conformation
B) Size
C) Volume
D) Concentration
Answer: A
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
35) The ________ projection of the ring form of a monosaccharide always shows a flat plane with one edge projecting out of the page (using thicker lines).
A) Fischer
B) Crick
C) Haworth
D) Wohler
Answer: C
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
36) Sugars with six carbons can form ring structures known as ________.
A) Cyclobenzene rings
B) Pyranose rings
C) Disaccharide rings
D) Polysaccharide rings
Answer: B
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
37) ________ contains both phosphoester and phosphoanhydride linkages.
A) CCK
B) Urea
C) Ammonium Cyanate
D) ATP
Answer: D
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
38) A deoxyribose unit in DNA is a ________.
A) Sugar
B) Lipid
C) Protein
D) Fatty acid
Answer: A
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2
39) Lipids self associate in aqueous solvent to form bilayers because they are ________.
A) Amphibolic
B) Amphipathic
C) Amphigenic
D) Amphicatalytic
Answer: B
Bloom's Level: 1-2: Remembering/Understanding
Learning Outcome: 1.2