AP Biology Assistance » Cellular Biology » Cell Functions » Cellular Respiration » Understanding Glycolysis
Explanation:

Glycolysis happens in the cytosol (the fluid containing the organelles) of the cell. The next step in cellular respiration, the citric acid cycle, occurs in the mitochondria.

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Explanation:

Fermentation oxidizes molecules of NADH to NAD+ so the cell deserve to have actually oxidizing agents for any succeeding glycolysis reactions. It does not, but, create any kind of usable power in the procedure.

Fermentation leads to the production of ethanol in yeastern cells and also lactic acid in muscle cells.


Explanation:

Glycolysis occurs in the cytosol of cells. Once finiburned, the 2 pyruvate assets are transported into the mitochondria to go through the citric acid cycle, at a price of 1 ATP per pyruvate. Neither the nucleus, nor the endoplasmic reticulum have any function in glycolysis or the citric acid cycle.


Explanation:

The conversion of glucose to 2 pyruvate molecules in glycolysis produces a net full of 2 straight ATP. When fructose-1,6-bisphosphate enters glycolysis, it bypasses the 2 steps affiliated that typically price one ATP each, therefore, tright here is no forced input and also the net complete is four developed ATP.

We have to remember that each action beyond the conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate happens twice, or we would come up through two ATP created.


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Example Inquiry #5 : Cellular Respiration


Which of the following commodities is not developed in the time of glycolysis?


Possible Answers:

ATP


Oxygen


Pyruvate


NADH


Correct answer:

Oxygen


Explanation:

Glycolysis is the first action in cellular respiration, and also is checked out in both aerobic and anaerobic respiration. The products of glycolysis are pyruvate, NADH, ATP, and water. Oxygen is just a product of the light reactions of photosynthesis; it is consumed as a reactant in the electron move chain.


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Example Question #6 : Cellular Respiration


Which of the following procedures does not take place throughout glycolysis?


Possible Answers:

An finish outcome is the manufacturing of 3-carbon molecules that are later on fed into the citric acid cycle


Two 

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molecules are produced


Via a facility chain of measures,  and  move electrons to the process"s final electron acceptor,


One molecule of glucose eventually yields two molecules of pyruvate


Four ATP molecules are developed for eincredibly molecule of glucose, yet the net manufacturing is just two molecules of ATP


Correct answer:

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


Explanation:

Glycolysis, which occurs in the cytoplasm, is the initially step of cellular respiration. Though it does not create a huge amount of ATP by itself, it incorporates a number of essential actions that need to take place to yield a more significant amount of ATP later. Notable events that take place during this multi-step procedure incorporate the breakdown of each glucose molecule right into two 3-carbon pyruvate molecules, the manufacturing of 2 molecules of

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, and also the net production of 2 ATP molecules.

Unprefer the next 2 measures (the citric acid cycle and oxidative phosphorylation), glycolysis deserve to happen in the absence of oxygen. The only action provided that is not component of glycolysis is the deliver of electrons from carrier molecules to oxygen through a collection of actions. This happens in the time of oxidative phosphorylation and also, unchoose glycolysis, is an aerobic procedure.


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Example Question #7 : Cellular Respiration


In comparichild to fermentation, the aerobic pathways of glucose metabolism yield even more __________.

 


Possible Answers:

acetaldehyde 


pyruvate


ethanol


adenosine triphosphate 


Correct answer:

adenosine triphosphate 


Explanation:

Fermentation is the metabolic procedure that takes place in anaerobic environments to regeneprice

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for glycolysis, which takes location in both aerobic and anaerobic environments. Since glycolysis is uninfluenced by the presence of oxygen, pyruvate concentrations will be the exact same in either environment. Throughout fermentation the cell changes the pyruvate into acetaldehyde. Ethanol is likewise a product of fermentation. We would not mean to watch even more acetaldehyde or ethanol in aerobic metabolism.

Adenosine triphosphate (ATP) is the major product of cellular respiration, and the molecular energy of the cell. Aerobic metabolism outcomes in a a lot higher yield of these energy moving molecules as a result of the fact that it have the right to use oxygen as a last electron acceptor in the electron deliver chain.


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Example Inquiry #1 : Cellular Respiration


Wbelow does glycolysis take area in the cell?


Possible Answers:

Nucleus


Endoplasmic reticulum


Cytosol


Mitochondria


Correct answer:

Cytosol


Explanation:

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

The nucleus residences the cell"s DNA, and also the endoplasmic reticulum is connected via protein change.


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Example Question #1 : Understanding Glycolysis


Which of the adhering to stages of cellular respiration generates ATP, regardless of the visibility of oxygen?


Possible Answers:

Glycolysis


Oxidative phosphorylation


Krebs cycle


Electron deliver chain


Citric acid cycle


Correct answer:

Glycolysis


Explanation:

Glycolysis is the process that converts glucose to pyruvate. It produces a complete of 4 ATP, yet consumes two ATP, for a net yield of two ATP. Glycolysis is not dependent on the existence of oxygen and have the right to take place in either aerobic or anaerobic atmospheres.

The citric acid cycle, or Krebs cycle, is provided to geneprice NADH from pyruvate. The NADH is then used in the electron transfer chain to generate a proton gradient, which fuels oxidative phosphorylation. Due to the fact that oxidative phosphorylation requires an oxygen molecule, the citric acid cycle and electron move chain cannot proceed in anaerobic atmospheres.


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Example Inquiry #1 : Understanding Glycolysis


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


Possible Answers:


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*


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Correct answer:


Explanation:

Glycolysis produces 4 molecules of ATP, but 2 molecules are supplied to finish reactions throughout the initial steps of the procedure. With four molecules created and 2 molecules consumed in the procedure, tbelow is a net yield of two ATP from each glucose molecule in glycolysis

Throughout ATP synthesis in the electron carry chain, approximately 32 additional ATP are produced.

See more: Name To Which Subset Of Real Numbers Does The Number 1/3 Belong To? Rational


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