uizzes/67365/takeBased on the image below, select the correct statements. Note: There may be more than1 correct response.IRibose 5-phosphateribose phosphatepyrophosphokinase(PRPP synthetase)glutamine-PRPPamidotransferaseadenylosuccinatesynthetaseAMP >5-PhosphoribosylamineI adenylosuccinatePRPPlyase9 stepsAdenylosuccinateAMPIMP<-- ADP- AMP<-- GMP<-- IMPIMPdehydrogenase<- GMP -XMPADP ATPGMPيمدXMP-glutamineamidotransferaseIncreased levels of ADP inhibit the production of PRPP.Increased levels of GMP inhibit the production of XMP.O Increased ADP activates PRPP synthase to increase PRPP levels.Increased IMP activates glutamine-PRPP amidotransferase to further increase IMP levels.8OBC

Purines are a heterocyclic organic compound that has 5-member rings fused to a 6-member ring.…

Answered: Based on the image below, select 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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Based on your Lineweaver-Burk plot, what is the mode of PaESBL-1 inhibition by NSAMB? What is the equation for the double-reciprocal plot at 20 nMnM NAMB?
PFK-1 is actually a tetramer with four identical active sites that produced fructose 1,6-bisphosphate. There are also allosteric sites for citrate and ATP/ADP on each subunit as well which influence how well the active sites are binding substrates or producing product. The arginine at position 48 on each PFK-1 subunit normally forms a salt bridge with a negatively charged oxygen on phosphate in the catalytic interface of PFK-1. Speculate on how the R48C mutation might change this function.
Starting from the situation below, explain the next immediate steps that occur after the agonist ligand binds to the GPCR. Describe what happens in terms of the GTP and the heterotrimeric G protein structure. www www Ligand α В GTP ZAN Y Copyright ©2009 Pearson Education, Inc. GDP
Increased ROS levels are a hallmark for Alzheimer's Disease. This is accurately described by all but which of the following statements? ROS production is upregulated because of the activity of the enzyme NADPH oxidase Oxidative phosphorylation is increased, leading to enhanced ROS generation via the ETC Amyloid precursor protein is converted in higher amounts to the amyloid peptide facilitating greater amounts of aggregation BACE1 levels are transcriptionally increased via hypoxia inducible factor Mitochondrial pyruvate flux is reduced 00000
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Azathioprine is an immunosuppressant drug used in kidney transplants. In vivo, azathioprine is metabolized to the hypoxanthine analog 6- mercaptopurine, which is then converted into 6-mercaptopurine ribose monophosphate, the active form of the drug. 6- Mercaptopurine ribose monophosphate also inhibits de novo purine synthesis, reducing uric acid levels in the blood and urine. However, when administered to Lesch – Nyhan patients, there was no effect on uric acid levels. Explain why this is the case.
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please identify amino acids in the N terminus in the picture below.
ATP synthase is a protein that catalyzes the formation of the energy storage molecule adenosine triphosphate using adenosine diphosphate and inorganic phosphate. Which of the following are true for the protein, ATP synthase? Select all apply A mutation of Asp61 to glutamic acid would have less of a deleterious effect on its ability to synthesize ATP than a mutation of Asp61 to alanine A mutation of Asp61 to alanine would have less of a deleterious effect on its ability to synthesize ATP than a mutation of Asp61 to glutamic acid The F1 subunit is primarily responsible for translocating H+ ions across the inner mitochondrial membrane during ATP synthesis The FO subunit is primarily responsible for translocating H+ ions across the inner mitochondrial membrane during ATP synthesis

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