Problema 3a
Identify each of the following as catabolic or anabolic:
a. synthesis of lipids from glycerol and fatty acids
Problema 3d
Identify each of the following as catabolic or anabolic:
d. digestion of proteins in the stomach
Problema 4a
Identify each of the following as catabolic or anabolic:
a. digestion of fats to fatty acids and glycerol
Problema 4c
Identify each of the following as catabolic or anabolic:
c. synthesis of nucleic acids from nucleotides
Problema 8
What is the purpose of digestion in stage 1?
Problema 9
What is the role of bile salts in lipid digestion?
Problema 10
How are insoluble triacylglycerols transported to the cells?
Problema 11
Where do dietary proteins undergo digestion in the body?
Problema 12
What are the end products of the digestion of proteins?
Problema 13a
Identify one or more coenzymes with each of the following components:
a. pantothenic acid
Problema 15a
Give the abbreviation for each of the following coenzymes:
a. reduced form of NAD+
Problema 17
What coenzyme picks up hydrogen when a carbon–carbon double bond is formed?
Problema 18.5
Why is ATP considered an energy-rich compound?
Problema 21
How is ATP used in the initial steps of glycolysis?
Problema 27a
How many ATP or NADH are produced (or required) in each of the following steps in glycolysis?
a. glucose to glucose-6-phosphate
Problema 28c
How many ATP or NADH are produced (or required) in each of the following steps in glycolysis?
c. phosphoenolpyruvate to pyruvate
Problema 30
What coenzymes are needed for the oxidation of pyruvate to acetyl CoA?
Problema 33
How does the formation of lactate permit glycolysis to continue under anaerobic conditions?
Problema 35
What are the products from one turn of the citric acid cycle?
Problema 37a
Identify the reaction(s) of the citric acid cycle that involve(s)
a. oxidation and decarboxylation
Problema 38c
Identify the reaction(s) of the citric acid cycle that involve(s)
c. hydration
Problema 40
What is the total NADH and total FADH2 produced in one turn of the citric acid cycle?
Problema 41b
Refer to the diagram of the citric acid cycle in Figure 18.13 to answer each of the following:
b. How is the number of carbon atoms decreased?
Problema 41d
Refer to the diagram of the citric acid cycle in Figure 18.13 to answer each of the following:
d. What are the decarboxylation reactions?
Problema 42b
Refer to the diagram of the citric acid cycle in Figure 18.13 to answer each of the following:
b. What are the four-carbon compounds?
Problema 42d
Refer to the diagram of the citric acid cycle in Figure 18.13 to answer each of the following:
d. In which reactions are secondary alcohols oxidized?
Problema 44
What happens to the energy level as electrons are passed along in electron transport?
Problema 47
How is NADH oxidized in electron transport?
Problema 50
How is the H+ gradient established?
Problema 53
How are glycolysis and the citric acid cycle linked to the production of ATP by electron transport?
Ch.18 Metabolic Pathways and ATP Production
