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1) Stanley Miller set out to demonstrate an explanation for the origins of organic molecules using a
combination of simple organic molecules, heat and periodic burst of electricity through the mixture,
ultimately producing what kind of molecules?
A) carbohydrates
B) amino acids
C) lipids
D) glycoproteins
E) nucleic acids
Answer: B
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
2) Glycosylated molecules are those formed with which group of organic compounds?
A) lipids
B) nucleic acids
C) proteins
D) carbohydrates
E) lipoproteins
Answer: D
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Knowledge)
3) Cells regulate their level of activity by regulating the amount of proteins present in the cell at any
given time, so an up regulation of enzymes would be expected to
A) increase the level of productivity of chemical reactions that rely on them.
B) decrease the level of productivity of chemical reactions that rely on them.
C) increase the rate of reactions catalyzed by the enzymes.
D) decrease the rate of reactions catalyzed by the enzymes.
E) both decrease the level of productivity of chemical reactions that rely on them and decrease the rate
of reactions catalyzed by the enzymes.
Answer: A
Section Title: Protein Interactions
Learning Outcome: 2.10
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
2
4) When an enzyme reaches its saturation point,
A) the amount of substrate for the enzyme to act upon is very high.
B) the amount of substrate for the enzyme to act upon is very low.
C) the amount of product produced continues to increase.
D) the amount of product produced by the enzyme decreases.
E) the amount of substrate for the enzyme to act upon is very low and the amount of product produced
by the enzyme decreases.
Answer: A
Section Title: Protein Interactions
Learning Outcome: 2.9
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
5) Which group of elements makes up more than 90% of the body’s mass?
A) O, H, Na
B) C, Na, K
C) O, Ca, H
D) Ca, C, O
E) O, C, H
Answer: E
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
6) The organic molecules known as phospholipids are key components of cell membranes and composed
of what monomeric units?
A) amino acids
B) nucleotides
C) glycerol
D) fatty acids
E) both glycerol and fatty acids
Answer: E
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Knowledge)
7) Chromium is
A) a major essential element.
B) a minor essential element.
C) a dietary supplement with no natural role in the body.
D) None of the answers are correct.
Answer: D
Section Title: Running Problem
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
3
8) Which of the following is a way to recognize a carbohydrate by looking at its name only?
A) It always ends in -ase.
B) It ends in -ose
C) It begins with nucleo-.
D) It begins with proteo-.
E) It begins with lipo-.
Answer: B
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Comprehension)
9) Which of the following is NOT considered an essential element for a living organism?
A) carbon
B) hydrogen
C) mercury
D) oxygen
E) nitrogen
Answer: C
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Knowledge)
10) The largest carbohydrate molecules are called polysaccharides because they are composed of
________ molecules bonded together with one another.
A) amino acid
B) nucleotide
C) purine
D) pyrimidine
E) sugar
Answer: E
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing Facts and Terms (Bloom’s Taxonomy: Knowledge)
11) Essential amino acids that are used to build proteins
A) exist in twenty six different configurations.
B) are linked together by ionic chemical bonds in proteins.
C) can be used medically for both diagnosis and treatment of diseases.
D) can be derived from the foods we eat and digest.
E) can only be made by cells within our bodies.
Answer: E
Section Title: Molecules and Bonds
Learning Outcome: 2.1
Skill: Level I: Reviewing F
