Problema 1
How can you identify a catabolic reaction?
Problema 3b
Indicate whether the following processes represent anabolism or catabolism.
b. synthesis of fats
Problema 4b
Indicate whether the following processes represent anabolism or catabolism.
b. generation of ATP from breakdown of fructose
Problema 6
Name the types of chemical reactions that tend to be found in anabolic pathways.
Problema 9a
Identify the metabolic nucleotide described by the following:
a. contains the vitamin riboflavin
Problema 10a
Identify the metabolic nucleotide described by the following:
a. contains a form of the vitamin niacin
Problema 11a
Identify the metabolic nucleotide described by the following:
a. exchanges energy when a phosphate bond is hydrolyzed
Problema 13
Using abbreviations (not structures), write the reaction of flavin adenine dinucleotide that gives off energy (–∆G) .
Problema 15a
Name a carbohydrate (if any) that undergoes digestion in each of the following sites:
a. mouth
Problema 15c
Name a carbohydrate (if any) that undergoes digestion in each of the following sites:
c. small intestine
Problema 17
Describe how cholesterol is packaged after absorption in the intestine.
Problema 19
Name the end products for digestion of proteins.
Problema 21
Name the starting reactant of glycolysis.
Problema 21a
Indicate whether the statements below apply to the glucose-regulating hormone insulin or to glucagon:
(a) signals cells to take up glucose
Problema 21c
Indicate whether the statements below apply to the glucose-regulating hormone insulin or to glucagon:
(c) not produced in people with type 1 diabetes
Problema 25
In terms of high-energy molecules, what is the net output for one molecule of glucose undergoing glycolysis?
Problema 28
Name the coenzyme produced during the conversion of pyruvate to acetyl CoA.
Problema 30
The formation of lactate permits glycolysis to continue under anaerobic conditions. Explain.
Problema 32
Explain how the catabolism of fructose differs from that of glucose.
Problema 35
Name the reactions in the citric acid cycle that involve oxidative decarboxylation.
Problema 38
Name the reaction of the citric acid cycle that reduces FAD.
Problema 41
Name the electron carrier that transports electrons from complex I to complex III.
Problema 44
Name the complex where FADH2 enters electron transport.
Problema 47
According to the chemiosmotic theory, how does the proton gradient provide energy to synthesize ATP?
Problema 50
Where in the mitochondria is ATP synthesized?
Problema 51a
List the energy yield in ATP molecules for each of the following:
a. NADH → NAD+
Problema 51c
List the energy yield in ATP molecules for each of the following:
c. 2 Pyruvate → 2 acetyl CoA + 2 CO2
Problema 52a
List the energy yield in ATP molecules for each of the following:
a. FADH2 → FAD
Problema 52c
List the energy yield in ATP molecules for each of the following:
c. Glucose → 2 lactate
Problema 55a
Capric acid is a saturated fatty acid, [10:0].
a. Draw fatty acyl capric acid activated for β oxidation.
Ch.12 Food as Fuel An Overview of Metabolism
