BCH 351 FINAL EXAM (MODULE 17-20) KENNY
UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. The sum of an entire network of biochemical reactions
which occurs in living cells.
Answer:
Define Metabolism
Question:
2. Intermediary metabolism
Examples: Glycolysis, TCA Cycle, Oxidative
Phosphorylation
Answer:
What is defined as the biochemical reactions that involve low molecular weight in
living cells? What are some examples?
Question:
3. Small molecular intermediates formed during the
degradation of biopolymers. They can be substrates,
reaction intermediates, or the products of a given
metabolic pathway.
Answer:
What are metabolites?
Question:
4. Catabolism or Catabolic Reactions is an oxidation
reaction that uses an energy containing molecule (carb,
lipid, protein) and oxidizes it to produce ATP. This will
result in the release of ATP and left over energy
depleted products (CO2, H2O, NH3).
An oxidation reaction is always coupled with a reduction
reaction. In this case NAD+ and FAD+ are reduced to
NADH and FADH2.
Answer:
Explain the process of Metabolic Catabolism
,Question:
5. Anabolism or Anabolic Reactions is a reduction reaction
that uses ATP produced during catabolism to convert a
precursor molecule (Amino acid, Sugar, Fatty Acid, &
Nitrogenous Bases) into a macromolecule (Protein,
Polysaccharide, Lipid, & Nucleic Acid).
A reduction reaction is always coupled with an oxidation
reaction. In this case ATP and NADPH is oxidized to ADP
+ Pi and NADP+.
Answer:
Explain the process of Metabolic Anabolism
Question:
1. Metabolic pathways are sequences of reactions
2. Metabolic pathways proceed by discrete steps
3. Metabolic pathways are regulated
4. Metabolic pathways are compartmentalized
Answer:
What are the 4 characteristics of Metabolic Pathways?
Question:
1. Linear
2. Circular
3. Spiral
Answer:
In a metabolic pathway, the product of one reaction typically serves as the
substrate for the next reaction. What are the three different types of pathways?
Question:
8. Linear pathways may utilize intermediates from other
pathways or branch out to make different products.
Regardless, they will proceed in a linear direction to
synthesize in products.
Examples: Glycolysis and Oxidative Phosphorylation
Answer:
Describe a linear metabolic pathway and give examples
, Question:
9. Circular pathways proceed in a circular fashion where
the product produced ultimately becomes the initial
substrate. Substrates from other pathways are often
utilized, and some intermediates produced in the
pathway will leave the cycle as products.
Examples: TCA Cycle, urea cycle
Answer:
Describe a circular metabolic pathway and give examples
Question:
10. Spiral pathways proceed in a spiraled direction. Often the
same enzyme is used to catalyze the subsequent reaction
to produce an enlarged or elongated product. This
pathway is most frequently used for building lipids,
nucleic, acids, proteins, and polysaccharides.
Examples: Lipid formation, DNA/RNA biosynthesis
Answer:
Describe a spiral metabolic pathway and give examples
UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. The sum of an entire network of biochemical reactions
which occurs in living cells.
Answer:
Define Metabolism
Question:
2. Intermediary metabolism
Examples: Glycolysis, TCA Cycle, Oxidative
Phosphorylation
Answer:
What is defined as the biochemical reactions that involve low molecular weight in
living cells? What are some examples?
Question:
3. Small molecular intermediates formed during the
degradation of biopolymers. They can be substrates,
reaction intermediates, or the products of a given
metabolic pathway.
Answer:
What are metabolites?
Question:
4. Catabolism or Catabolic Reactions is an oxidation
reaction that uses an energy containing molecule (carb,
lipid, protein) and oxidizes it to produce ATP. This will
result in the release of ATP and left over energy
depleted products (CO2, H2O, NH3).
An oxidation reaction is always coupled with a reduction
reaction. In this case NAD+ and FAD+ are reduced to
NADH and FADH2.
Answer:
Explain the process of Metabolic Catabolism
,Question:
5. Anabolism or Anabolic Reactions is a reduction reaction
that uses ATP produced during catabolism to convert a
precursor molecule (Amino acid, Sugar, Fatty Acid, &
Nitrogenous Bases) into a macromolecule (Protein,
Polysaccharide, Lipid, & Nucleic Acid).
A reduction reaction is always coupled with an oxidation
reaction. In this case ATP and NADPH is oxidized to ADP
+ Pi and NADP+.
Answer:
Explain the process of Metabolic Anabolism
Question:
1. Metabolic pathways are sequences of reactions
2. Metabolic pathways proceed by discrete steps
3. Metabolic pathways are regulated
4. Metabolic pathways are compartmentalized
Answer:
What are the 4 characteristics of Metabolic Pathways?
Question:
1. Linear
2. Circular
3. Spiral
Answer:
In a metabolic pathway, the product of one reaction typically serves as the
substrate for the next reaction. What are the three different types of pathways?
Question:
8. Linear pathways may utilize intermediates from other
pathways or branch out to make different products.
Regardless, they will proceed in a linear direction to
synthesize in products.
Examples: Glycolysis and Oxidative Phosphorylation
Answer:
Describe a linear metabolic pathway and give examples
, Question:
9. Circular pathways proceed in a circular fashion where
the product produced ultimately becomes the initial
substrate. Substrates from other pathways are often
utilized, and some intermediates produced in the
pathway will leave the cycle as products.
Examples: TCA Cycle, urea cycle
Answer:
Describe a circular metabolic pathway and give examples
Question:
10. Spiral pathways proceed in a spiraled direction. Often the
same enzyme is used to catalyze the subsequent reaction
to produce an enlarged or elongated product. This
pathway is most frequently used for building lipids,
nucleic, acids, proteins, and polysaccharides.
Examples: Lipid formation, DNA/RNA biosynthesis
Answer:
Describe a spiral metabolic pathway and give examples
