AP Biology assist » Cellular biologic » Cell functions » moving Respiration » expertise Glycolysis
Explanation:

Glycolysis happens in the cytosol (the fluid containing the organelles) that the cell. The following step in to move respiration, the citric acid cycle, wake up in the mitochondria.

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Explanation:

Fermentation oxidizes molecule of NADH to NAD+ therefore the cell deserve to have oxidizing agents for any subsequent glycolysis reactions. It does not, however, produce any type of usable power in the process.

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


Explanation:

Glycolysis occurs in the cytosol of cells. When finished, the two pyruvate products are transported right into the mitochondria to go v the citric acid cycle, in ~ a price of 1 ATP per pyruvate. Neither the nucleus, no one the endoplasmic reticulum have actually any function in glycolysis or the citric mountain cycle.


Explanation:

The switch of glucose to 2 pyruvate molecule in glycolysis produces a net complete of two straight ATP. Once fructose-1,6-bisphosphate beginning glycolysis, the bypasses the 2 steps connected that normally cost one ATP each, therefore, over there is no required input and the net complete is four produced ATP.

We have to remember the each step beyond the counter of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and also dihydroxyacetone phosphate wake up twice, or we would come up through two ATP created.


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Example question #5 : cellular Respiration


Which the the following products is not produced during glycolysis?


Possible Answers:

Oxygen


NADH


ATP


Pyruvate


Correct answer:

Oxygen


Explanation:

Glycolysis is the very first step in to move respiration, and is watched in both aerobic and anaerobic respiration. The commodities of glycolysis space pyruvate, NADH, ATP, and also water. Oxygen is only a product of the irradiate reactions of photosynthesis; it is consumed together a reactant in the electron deliver chain.


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Example concern #6 : cellular Respiration


Which of the following processes does no take place during glycolysis?


Possible Answers:

Four ATP molecules are created for every molecule that glucose, however the net manufacturing is only two molecule of ATP


Two 

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molecules are produced


An end result is the production of 3-carbon molecules the are later on fed into the citric mountain cycle


One molecule of glucose at some point yields 2 molecules that pyruvate


Via a complex chain of steps,  and  transfer electrons to the process"s last electron acceptor,


Correct answer:

Via a facility chain of steps,  and  deliver electrons to the process"s last electron acceptor,


Explanation:

Glycolysis, which occurs in the cytoplasm, is the first step of cellular respiration. Though it walk not create a huge amount the ATP by itself, the incorporates several important steps that have to take location to yield a lot more significant amount that ATP later. Notable occasions that occur throughout this multi-step process include the failure of every glucose molecule into two 3-carbon pyruvate molecules, the production of two molecules the

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, and also the net production of 2 ATP molecules.

Unlike the next two steps (the citric acid cycle and oxidative phosphorylation), glycolysis can take place in the lack of oxygen. The just step offered that is not part of glycolysis is the move of electron from transport molecules come oxygen via a collection of steps. This happens throughout oxidative phosphorylation and, uneven glycolysis, is one aerobic process.


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Example question #7 : cellular Respiration


In comparison come fermentation, the aerobic pathways the glucose line yield more __________.

 


Possible Answers:

acetaldehyde 


ethanol


adenosine triphosphate 


pyruvate


Correct answer:

adenosine triphosphate 


Explanation:

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

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for glycolysis, i m sorry takes ar in both aerobic and anaerobic environments. Because glycolysis is unaffected by the existence of oxygen, pyruvate concentrations will be the exact same in one of two people environment. During fermentation the cell changes the pyruvate into acetaldehyde. Ethanol is also a product the 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 energy of the cell. Aerobic metabolism results in a much higher yield of these energy carrying molecules as result of the reality that it have the right to use oxygen as a last electron agree in the electron carry chain.


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Example inquiry #8 : to move Respiration


Where walk glycolysis take place in the cell?


Possible Answers:

Nucleus


Mitochondria


Cytosol


Endoplasmic reticulum


Correct answer:

Cytosol


Explanation:

Glycolysis takes ar in the cell cytosol, and can take place under anaerobic conditions. After the perfect of glycolysis, the product pyruvate is transported to the mitochondria because that the citric mountain cycle and also electron move chain.

The nucleus homes the cell"s DNA, and also the endoplasmic reticulum is affiliated with protein modification.


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Example question #9 : moving Respiration


Which that the complying with stages of to move respiration generates ATP, nevertheless of the visibility of oxygen?


Possible Answers:

Oxidative phosphorylation


Electron transfer chain


Krebs cycle


Glycolysis


Citric mountain cycle


Correct answer:

Glycolysis


Explanation:

Glycolysis is the process that switch glucose to pyruvate. That produces a full of four ATP, yet consumes two ATP, for a network yield of two ATP. Glycolysis is not dependent on the existence of oxygen and also can occur in one of two people aerobic or anaerobic environments.

The citric mountain cycle, or Krebs cycle, is provided to generate NADH indigenous pyruvate. The NADH is then supplied in the electron transfer chain to create a proton gradient, which fuels oxidative phosphorylation. Due to the fact that oxidative phosphorylation requires an oxygen molecule, the citric mountain cycle and also electron move chain cannot proceed in anaerobic environments.


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Example question #1 : understanding Glycolysis


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


Possible Answers:

*


*


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Correct answer:


Explanation:

Glycolysis produces four molecules the ATP, yet two molecule are used to finish reactions during the initial steps of the process. With four molecules produced and also two molecules spend in the process, there is a network yield of two ATP from each glucose molecule in glycolysis

During ATP synthesis in the electron deliver chain, roughly 32 extr ATP space generated.


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