AP Biology assist » Cellular biologic » Cell attributes » to move Respiration » knowledge Glycolysis
Explanation:

Glycolysis wake up in the cytosol (the liquid containing the organelles) that the cell. The following step in moving respiration, the citric mountain cycle, occurs in the mitochondria.

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Explanation:

Fermentation oxidizes molecules of NADH come NAD+ so the cell deserve to have oxidizing agents for any type of subsequent glycolysis reactions. The does not, however, produce any kind of usable energy in the process.

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


Explanation:

Glycolysis occurs in the cytosol the cells. Once finished, the two pyruvate products are transported into the mitochondria come go through the citric mountain cycle, in ~ a expense of 1 ATP every pyruvate. No the nucleus, no one the absorbent reticulum have actually any duty in glycolysis or the citric acid cycle.


Explanation:

The conversion of glucose to 2 pyruvate molecules in glycolysis produce a net total of two straight ATP. Once fructose-1,6-bisphosphate enters glycolysis, it bypasses the two steps affiliated that normally cost one ATP each, therefore, there is no required input and the net total is four created ATP.

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


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Example inquiry #5 : moving Respiration


Which that the following assets is not created during glycolysis?


Possible Answers:

Oxygen


NADH


ATP


Pyruvate


Correct answer:

Oxygen


Explanation:

Glycolysis is the an initial step in to move respiration, and is seen in both aerobic and also anaerobic respiration. The products of glycolysis space pyruvate, NADH, ATP, and 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 inquiry #6 : to move Respiration


Which that the complying with processes does not take place throughout glycolysis?


Possible Answers:

Four ATP molecules are produced for every molecule of glucose, yet the net manufacturing is only two molecules of ATP


Two 

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molecules space produced


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


One molecule the glucose eventually yields two molecules the pyruvate


Via a complex chain that steps,  and  carry electrons come the process"s final electron acceptor,


Correct answer:

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


Explanation:

Glycolysis, which wake up in the cytoplasm, is the very first step of to move respiration. Despite it does not develop a large amount the ATP by itself, the incorporates several important steps that must take ar to yield a lot more significant amount that ATP later. Notable events that occur during this multi-step process include the breakdown of each glucose molecule right into two 3-carbon pyruvate molecules, the manufacturing of two molecules of

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, and also the net manufacturing of 2 ATP molecules.

Unlike the next two procedures (the citric mountain cycle and also oxidative phosphorylation), glycolysis can happen in the lack of oxygen. The just step offered that is not part of glycolysis is the carry of electrons from carrier molecules to oxygen via a series of steps. This happens throughout oxidative phosphorylation and, uneven glycolysis, is an aerobic process.


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Example question #7 : moving Respiration


In comparison to fermentation, the aerobic pathways the glucose metabolism yield much more __________.

 


Possible Answers:

acetaldehyde 


ethanol


adenosine triphosphate 


pyruvate


Correct answer:

adenosine triphosphate 


Explanation:

Fermentation is the metabolic procedure that takes ar in anaerobic atmospheres to regenerate

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for glycolysis, i beg your pardon takes ar in both aerobic and anaerobic environments. Due to the fact that glycolysis is unaffected by the presence of oxygen, pyruvate concentrations will be the very same in either environment. During fermentation the cell alters the pyruvate right into acetaldehyde. Ethanol is likewise a product that fermentation. We would certainly not mean to see more acetaldehyde or ethanol in aerobic metabolism.

Adenosine tree phosphate (ATP) is the main product of cellular respiration, and also the molecular energy of the cell. Aerobic metabolism outcomes in a much greater yield that these power carrying molecules due to the truth that it can use oxygen as a final electron acceptor in the electron move chain.


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Example concern #8 : cellular 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 cabinet cytosol, and can take location under anaerobic conditions. After ~ the perfect of glycolysis, the product pyruvate is transported come the mitochondria because that the citric mountain cycle and also electron transport chain.

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


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Example concern #9 : cellular Respiration


Which the the following stages of moving respiration generates ATP, nevertheless of the visibility of oxygen?


Possible Answers:

Oxidative phosphorylation


Electron carry chain


Krebs cycle


Glycolysis


Citric acid cycle


Correct answer:

Glycolysis


Explanation:

Glycolysis is the process that counter glucose to pyruvate. It produces a total of 4 ATP, however consumes 2 ATP, for a net yield of 2 ATP. Glycolysis is no dependent ~ above the presence of oxygen and can occur in either aerobic or anaerobic environments.

The citric mountain cycle, or Krebs cycle, is offered to generate NADH native pyruvate. The NADH is then provided in the electron transport chain to generate a proton gradient, which fuels oxidative phosphorylation. Since oxidative phosphorylation needs an oxygen molecule, the citric acid cycle and electron transfer chain cannot continue in anaerobic environments.


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Example concern #1 : knowledge Glycolysis


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


Possible Answers:

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*


Correct answer:


Explanation:

Glycolysis produces four molecules the ATP, but two molecules are used to complete reactions throughout the initial actions of the process. With 4 molecules produced and also two molecules spend in the process, over there is a network yield of two ATP from each glucose molecule in glycolysis

During ATP synthesis in the electron move chain, about 32 added ATP space generated.


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