During anaerobic conditions, lactate travels from the muscle to the liver via thebloodstream. What is lactate converted into when it reaches the liver before itreturns back to the muscle?GlucagonCitrateAcetyl CoAGlycogenGlucose

The Tricarboxylic acid(TCA) cycle is inactive under anaerobic conditions, thereby the process of…

Answered: During anaerobic conditions, lactate…

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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Similar questions

Which of the following metabolic pathways does NOT takes place in muscle cells? Tricarboxylic acid cycle Glycogenesis Glycogenolysis Conversion of ketone bodies to acetyl CoA Pentose phosphate pathway
Glycolysis occurs in two stages. Describe what is accomplished in each stage.
Which of the following is TRUE? O Both AMP and ADP are negative regulators of glycogenolysis. ATP shifts the curve of glycogen phosphorylase to the left. O Citrate binds covalently to acetyl CoA carboxylase. Phosphofructokinase-1 is an allosterically regulated enzyme in glycolysis. The carnitine shuttle is positively regulated by Malonyl CoA.
Starting with pyruvate (CH3COCOO—) as the precursor, the first step of gluconeogenesis is activation of pyruvate. Show the reaction for activation of pyruvate. Name the enzyme and coenzyme for this reaction. Why is the activation step necessary? What is the next step after the activation step?
In transamination processes, pyridoxal phosphate is an essential coenzyme. This coenzyme has previously been observed in glycogen metabolism. Pyridoxal phosphate is required by which enzyme in glycogen metabolism, and what function does the coenzyme perform in this enzyme?
The glycolytic enzyme glucokinase (in human liver cells) catalyzes the conversion of: glyceraldehyde-3-phosphate into 1,3-bisphosphoglycerate (producing NADH) phosphoenolpyruvate into pyruvate (producing ATP) fructose-6-phosphate into fructose-1,6-bisphosphate (consuming ATP) glucose into glucose-6-phosphate (consuming ATP) 1,3-bisphosphoglycerate into 3-phosphoglycerate (producing ATP)
When a 23 Carbon fatty acid is metabolized, what is the total number of (GROSS) ATP produced ?
GTP is made during glycolysis. True False
Which of the following glycolytic enzymes catalyzes the conversion of fructose-1,6-bisphosphate into the two product molecules dihydroxyacetone phosphate, and glyceraldehyde-3-phosphate? phosphoglycerate kinase pyruvate kinase malate dehydrogenase aldolase phosphofructokinase
What type of regulation would be expected when anaerobic metabolism is occurring in the muscle? Select all that apply. O Activation of pyruvate dehydrogenase kinase O Increased levels of calcium to activate pyruvate dehydrogenase phosphatase O Phosphorylation of pyruvate dehydrogenase O Inhibition of pyruvate dehydrogenase complex O Increased levels of NADH to activate citrate synthase O Increased levels of NADH to inhibit alpha-ketogluterate dehydrogenase complex O Increased levels of acetyl CoA to activate pyruvate carboxylase for gluconeogenesis
Which of the following conditions is most likely to force a muscle cell to metabolize glucose anaerobically(fermentation) under normal oxygenation ? - Glyceraldehyde-3-phosphate dehydrogenase deficiency - Lactate dehydrogenase deficiency -Pyruvate kinase deficiency -Aldolase deficiency - Cytososic Glycerol-3-phosphate dehydrogenase deficiency
Which of the following enzymes CANNOT be found in the skeletal muscle? Glucose-6-phosphatase Glycogen synthase Glycogen phosphorylase Adenylyl cyclase Hexokinase Which of the following processes do NOT produce CO2? (1) Fatty acid synthesis (2) Oxidative deamination(3) Preparatory phase of glycolysis (4) Pentose phosphate pathway (1) and (2) only (2) and (3) only (2) and (4) only (1), (3) and (4) only (1), (2), (3) and (4) _______________ is an intermediate metabolite linkage between carbohydrate and fat metabolism. A. MalateB. CitrateC. Acetyl-CoA D. AspartateE. α-ketoglutarate ______________ transfers carnitine from mitochondrial matrix to cytoplasm during the transport of fatty acid to mitochondria. Carnitine acyltransferase I CarnitineacyltransferaseII Transaminase Translocase Citric acid shuttle

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During anaerobic conditions, lactate travels from the muscle to the liver via the bloodstream. What is lactate converted into when it reaches the liver before it returns back to the muscle? Glucagon Citrate Acetyl CoA Glycogen Glucose