AP Biology aid » Cellular biology » Cell attributes » cellular Respiration » understanding Glycolysis
Explanation:

Glycolysis happens in the cytosol (the liquid containing the organelles) the the cell. The following step in to move respiration, the citric mountain cycle, occurs in the mitochondria.

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Explanation:

Fermentation oxidizes molecule of NADH come NAD+ therefore the cell can have oxidizing agents for any subsequent glycolysis reactions. The does not, however, produce any type of usable energy in the process.

Fermentation leads to the manufacturing of ethanol in yeast cells and lactic mountain in muscle cells.


Explanation:

Glycolysis wake up in the cytosol the cells. As soon as finished, the 2 pyruvate assets are transported right into the mitochondria come go with the citric acid cycle, in ~ a expense of 1 ATP per pyruvate. Neither the nucleus, nor the endoplasmic reticulum have any function in glycolysis or the citric acid cycle.


Explanation:

The counter of glucose to 2 pyruvate molecules in glycolysis produces a net full of two straight ATP. When fructose-1,6-bisphosphate enters glycolysis, that bypasses the two steps associated that normally price one ATP each, therefore, there is no forced input and also the net total is four created ATP.

We need to remember the each step past the conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and also dihydroxyacetone phosphate wake up twice, or we would certainly come up with two ATP created.


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Example concern #5 : cellular Respiration


Which that the following products is not developed during glycolysis?


Possible Answers:

ATP


Oxygen


Pyruvate


NADH


Correct answer:

Oxygen


Explanation:

Glycolysis is the very first step in to move respiration, and is seen in both aerobic and anaerobic respiration. The products of glycolysis room pyruvate, NADH, ATP, and water. Oxygen is just a product that the irradiate reactions the photosynthesis; that is consumed as a reactant in the electron move chain.


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Example inquiry #6 : to move Respiration


Which of the complying with processes does no take place during glycolysis?


Possible Answers:

An end an outcome is the manufacturing of 3-carbon molecules the are later fed right into the citric acid cycle


Two 

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molecules room produced


Via a complicated chain of steps,  and  transport electrons come the process"s last electron acceptor,


One molecule of glucose ultimately yields 2 molecules of pyruvate


Four ATP molecule are created for every molecule that glucose, yet the net production is just two molecules of ATP


Correct answer:

Via a complicated chain that steps,  and  transport electrons to the process"s final electron acceptor,


Explanation:

Glycolysis, which wake up in the cytoplasm, is the very first step of cellular respiration. Though it walk not produce a big amount of ATP by itself, the incorporates several essential steps that have to take place to productivity a lot more far-ranging amount of ATP later. Notable occasions that occur during this multi-step procedure include the breakdown of each glucose molecule right into two 3-carbon pyruvate molecules, the production of two molecules of

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, and also the net production of two ATP molecules.

Unlike the following two actions (the citric mountain cycle and also oxidative phosphorylation), glycolysis can happen in the absence of oxygen. The only step provided that is not component of glycolysis is the deliver of electron from transport molecules come oxygen via a collection of steps. This happens during oxidative phosphorylation and, unlike glycolysis, is one aerobic process.


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Example inquiry #7 : moving Respiration


In comparison come fermentation, the aerobic pathways the glucose management yield an ext __________.

 


Possible Answers:

acetaldehyde 


pyruvate


ethanol


adenosine triphosphate 


Correct answer:

adenosine triphosphate 


Explanation:

Fermentation is the metabolic procedure that takes location in anaerobic settings to regenerate

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for glycolysis, which takes ar in both aerobic and also anaerobic environments. Due to the fact that glycolysis is unaffected by the existence of oxygen, pyruvate concentrations will be the very same in one of two people environment. Throughout fermentation the cell transforms the pyruvate right into acetaldehyde. Ethanol is also a product of fermentation. We would not mean to see an ext acetaldehyde or ethanol in aerobic metabolism.

Adenosine tree phosphate (ATP) is the key product of moving respiration, and the molecular power of the cell. Aerobic metabolism results in a much higher yield that these energy carrying molecules as result of the truth that it can use oxygen together a final electron agree in the electron transfer chain.


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Example inquiry #1 : moving Respiration


Where go glycolysis take location in the cell?


Possible Answers:

Nucleus


Endoplasmic reticulum


Cytosol


Mitochondria


Correct answer:

Cytosol


Explanation:

Glycolysis takes ar in the cabinet cytosol, and also can take place under anaerobic conditions. After the completion of glycolysis, the product pyruvate is transported to the mitochondria for the citric acid cycle and electron move chain.

The nucleus dwellings the cell"s DNA, and also the absorbent reticulum is connected with protein modification.


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Example concern #1 : expertise Glycolysis


Which the the following stages of cellular respiration generates ATP, regardless of the presence of oxygen?


Possible Answers:

Glycolysis


Oxidative phosphorylation


Krebs cycle


Electron move chain


Citric mountain cycle


Correct answer:

Glycolysis


Explanation:

Glycolysis is the process that converts glucose come pyruvate. That produces a full of four ATP, however consumes 2 ATP, for a net yield of two ATP. Glycolysis is not dependent top top the existence of oxygen and also can happen in one of two people aerobic or anaerobic environments.

The citric mountain cycle, or Krebs cycle, is offered to generate NADH from pyruvate. The NADH is then used in the electron carry chain to generate a proton gradient, which fuel oxidative phosphorylation. Since oxidative phosphorylation requires an oxygen molecule, the citric acid cycle and electron transport chain cannot proceed in anaerobic environments.


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Example concern #1 : knowledge Glycolysis


What is the net production of ATP from one glucose molecule in glycolysis?


Possible Answers:


*


*


*


Correct answer:


Explanation:

Glycolysis produces 4 molecules of ATP, yet two molecule are provided to complete reactions during the initial procedures of the process. With four molecules produced and two molecules consumed in the process, there is a network yield of 2 ATP from each glucose molecule in glycolysis

During ATP synthetic in the electron deliver chain, roughly 32 additional ATP room generated.

See more: What Is The Molar Mass Of Sucrose (C12H22O11)? Molecular Mass Calculations


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