Biochemistry
Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Concept explainers

Electron Transport Chain
The electron transport chain, also known as the electron transport system, is a group of proteins that transfer electrons through a membrane within mitochondria to create a gradient of protons that drives adenosine triphosphate (ATP)synthesis. The cell u…
Metabolism
Picture a campfire. It keeps the body warm on a cold night and provides light. To ensure that the fire keeps burning, fuel needs to be added(pieces of wood in this case). When a small piece is added, the fire burns bright for a bit and then dies down unl…
Cellular Respiration
Cellular respiration is the cellular process involved in the generation of adenosine triphosphate (ATP) molecules from the organic nutritional source obtained from the diet. It is a universal process observed in all types of life forms. The glucose (chem…
Question

What is the difference between?

HMG CoA in cholesterol biosynthesis and in ketone bodies synthesis

Citrate shuttle and carnitine shuttle

Type I familial hyperchylomicronemia and Type II A hypercholesterolemia

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  • Complete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP Study Figure 19.2 and determine how many ATP molecules would be generated if a 16-carbon fatly acid were metabolized solely by the TCA cycle, in the form of S acetyl-CoA molecules.
    GTP or ATP is produced during the conversion of isocitrate into ketoglutarate succinyl CoA into succinate fumarate into malate malate into oxaloacetate
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  • What is the rate-limiting step in the synthesis of acetyl CoA? oxidation regeneration of lipoamide decarboxylation transfer to lipoamide transfer to CoA
    Glucagon secretion inhibits intracellular acetyl-CoA carboxylase activity through a number of different methods. Make a list of everything that comes to mind.
    True or false 1. During fatty acid biosynthesis, acetyl CoA is the donor of the acetyl group. 2. Pyruvate serves as the precursor of the glycerol backbone during TAG biosynthesis. 3. Malonyl CoA is an inhibitor of acetyl CoA carboxylase. 4. HMG-CoA serves as the common intermediate of cholesterol biosynthesis and ketogenesis.
  • The number of CO2 molecules liberated for each molecule of acetyl-CoA during oxidative decarboxylation reactions in TCA cycle.  The number of steps in gluconeogenesis that are the reverse of glycolytic reactions.
    The acyl-CoA dehydrogenase deficiency diseases are a groupof inherited defects that impair the b-oxidation of fatty acids.Symptoms of the disease range from nausea and vomiting tofrequent comas. Symptoms may be alleviated by eating regularly and avoiding periods of starvation (12 hours or more).Why does this simple procedure alleviate the symptoms?
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