i need the answer quickly 1. A student, halfan hourafter the dinner, containing about 150 g of carbohydrates,20 g of fat, and 40 g of protein, is sitting in a chair and reading. What metabolicchanges occur in this state? For answer:d) cnumerate the regulatory cnzymcs of fatty acid synthesis from glucose thathave their activity and amount increased underthe influence of the mentionedhormone.

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Answered: 1. A student, halfan hour after the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Brieflyexplainthesignalingpathwaybywhichthelivercovertsthestoredcarbohydrateto glucose and transports it to blood at low blood glucose level. In your answer, the signal pathway, source of glucose, key enzymes and proteins should be described.
Protein Phosphatase 1: What overall effect does PP1 have on the storage or breakdown of glycogen? (1 point) How does PPI regulate the activity of its targets? (1 point) Which enzymes are its targets? (2 points) What activates it [hormone (pathway activator) and enzyme (immediate activator)]? (2 points) Hormone: Enzyme:
1A. Produceadiagramtoillustratethedifferenttypesofmoleculesfoundincells.Briefly describe their properties and functions within the cell. In a separate diagram, describe how carbohydrates, amino acids and triacylglycerides interact metabolically in the generation of energy in the form of ATP.B. Mineralsandvitaminsareimportantnutritionalmoleculesbecausetheyfunctionas cofactors for critical enzymes in living systems. Without them, important biochemical reactions required for growth and tissue repair will not occur. Knowing this, explain the biochemical significance of folate and iron supplementation in pregnant women and women of reproductive age. Consider the effects of folate and iron deficiency as well. 2A. Thevalueofenzymesinlivingsystemsisthatwithoutthem,chemicalreactionsrequired for life to exist would not be possible under physiological conditions. On the basis of this, discuss how enzymes make life possible from a biochemical perspective. Include the following terms in your…
During hyp[erglycemia or diabetes - what two regulatory enzymes are active? Why are they active?
Dehydroascorbate is unstable at pH values greater than 6 anddecomposes to form tartrate and oxalate. Cells use GSH toreduce the loss of ascorbate. What is the reaction pathwayfor the regeneration of ascorbate?
The binding of insulin to its receptor on the surface of atarget cell activates the receptor’s tyrosine kinase activity,which in turn causes several phosphorylation cascades thatalter the activity of numerous enzymes and alters the expression of genes. Describe how one of these phosphorylationcascades stimulates glycogen synthesis.
On the given statements, which is true about regulating the metabolic pathway?
Provide a diagram of the EPH RECEPTOR B2 (EPHB2) structure. Give annotations of binding sites and enzyme active sites.
What is the end product of catabolism of the pyrimidine basethymine? Unlike uric acid, the end product of purinecatabolism, excess amounts of this molecule do not causeproblems comparable to gout. What circumstances causeexcess amounts of the end product and why doesn’t a goutlike illness result?
Compare the allosteric regulation of phosphorylase in the liver and in muscle, and explain the significance of the difference.
Fructose and glucose are both monosaccharides, but the body metabolizesthese sugars differently. For example, glucose stimulates insulin releasefrom the pancreas (see section 28.4); fructose does not. Moreover, insulinstimulates leptin release. Finally, fructose is more likely than glucose tobe converted to fat. Use this information to propose an explanation for thecorrelation between the skyrocketing consumption of high fructose cornsyrup since 1970 and the rise in obesity during the same period.
Which of the following is likely to be correct if all mutases are completely inhibited?a. Removal of glucosyl residues from nonreducing ends of glycogen in the liver is compromised;therefore, release of free glucose into blood from the liver would decreaseb. Glycerol can be efficiently converted into glucose but cannot be efficiently converted into glucosylresidues in glycogen in the liverc. Bothaandbd. Neither a nor b

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