Question 7The malate transporter in the mitochondrial inner membrane is involved in two important biochemical processes: one catabolic, and one anabolic. What are they?Transport of NAD* from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the last step of glycolysisO A.The citric acid cycle, and the last step of glycolysisOB.The glycerol 3-phosphate shuttle system, and the first gluconeogenesis bypassTransport of FADH, from beta oxidation from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypassOF Transport of NADH from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypass

Malate-Aspartate shuttle is present on the inner membrane of mitochondria.

Answered: The malate transporter in 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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Which of the following statements about oxidative phosphorylation is correct? O H+ ions are transferred from Complex I or Complex II to ATP synthase where ATP production occ O Proton pumps transfer electrons from the cytosol to the mitochondrial matrix as electrons are tra O The chemical and electrical gradient is established between the intermembrane space and the ma electron carriers. O ATP synthase pumps electrons back to the intermembrane space as a consequence of electrocher mitochondrial matrix. • Previous
If decanoic acid (10 : 0) undergoes complete β-oxidation in mitochondria, how many net ATP is yielded? (NADH = 2.5 ATP; FADH2 = 1.5 ATP; Acetyl CoA = 10 ATP) Answer in number only
This UCP1 protein allows the protons (H+) of the mitochondrial intermembrane space to enter the mitochondrial matrix without going through the ATP synthase. This bypass represents a shortcut for protons and uncouples (i.e. eliminates the interrelationship between) the following two processes: The entry of protons inside the mitochondrial matrix, following their concentration gradient. The phosphorylation of ADP into ATP by the ATP synthase. It is this uncoupling that gave the protein its name: uncoupling protein 1 (UCP1). The following figure shows the location of UCP1 when it is expressed (synthesized) in the brown adipose tissues (BAT) of hibernating mammals. Question 12 Based on the UCP1 protein structure shown earlier, and based on the figure above, what type of protein is UCP1? Question 12 options: a) A primary active transporter. b) A motor protein.…
How many ATP are produced from the complete degradation of G3P using glycerol- three phosphate shuttle?
When rotenone is added to actively respiring mitochondria,the ratio of NADH to NAD+ increases, but the FADH-/FADratio remains unchanged. What step in the system is beinginhibited?
The primary purpose of the aconitase step in Citric Acid Cycle is to: form the intermediate aconitate prepare the citrate molecule for oxidative decarboxylation act as a commitment and regulatory step produce isocitrate
Concerning the citric acid cycle (TCA cycle), which of the following statements is false? The TCA cycle generates electron carriers Oxidation of pyruvate in the matrix of the mitochondria produces sixteen total electrons Substrate level phosphorylation in the TCA cycle produces 2 GTP per the oxidation of a single glucose molecule The fate of the carbonyl carbon of acetyl CoAin the TCA cycle is to be lost as CO2 in the second turn Oxygen is required to regenerate electron acceptors
Which step(s) of cellular respiration would be directly inhibited by high concentrations of NADH? How would this affect other steps of cellular respiration?
upon digestion of starch maltose, one of its degradation products is further hydrolyzed into its monosaccharide components prior to intestinal absorption and entry into the glycolysis. calculate the number of ATP molecules produced from the digestion and complete oxidation of 1 molecule of maltose considering the glycerol-3-phosphate shuttle. question: 7. what is the total number of all NADH molecules produced after complete oxidation?
State whether the following statements are True or False, If False, explain why 5.1 Oxaloacetate is formed by the oxidation of L-malate 5.2 An overstimulation of the citric acid cycle will cause an overproduction of oxygen 5.3 The citric acid cycle occurs in the mitochondrial matrix of prokaryotes and eukaryotic 5.4 NADH and ADP are high energy electron carriers which can be utilised in the electron transport chain
The citric acid cycle is mainly controlled at the first two NADH-producing reactions catalyzed by ___________ and ___________, respectively. Group of answer choices isocitrate dehydrogenase; alpha-ketoglutarate dehydrogenase complex pyruvate dehydrogenase complex; alpha-ketoglutarate dehydrogenase complex alpha-ketoglutarate dehydrogenase complex; malate dehydrogenase isocitrate dehydrogenase; malate dehydrogenase pyruvate dehydrogenase complex; isocitrate dehydrogenase
During glycolysis, transition, and the citric acid cycle: How many ATP (or GTP) is made in each step? Why is CO2 made in some steps? (Hint: this is NOT from O2) Which steps make activated carrier molecules? What are they “carrying”?

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