What Is The Role Of Oxygen In Cellular Respiration?

by | Last updated on January 24, 2024

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Oxygen plays a vital role in energy production via a system called electron transport chain (ETC), which is an important component of cellular respiration. … Oxygen acts as

a final electron acceptor that helps move electrons down a chain

that results in adenosine triphosphate production.

What is the role of oxygen in cellular respiration quizlet?

What is the role of oxygen in cellular respiration?

Oxygen accepts high-energy electrons after they are stripped from glucose

. Cellular respiration accomplishes two major processes: (1) it breaks glucose down into smaller molecules, and (2) it harvests the chemical energy released and stores it in ATP molecules.

What is the primary role of oxygen in cellular respiration?

Cellular respiration is the process cells use to make energy. Cells in our body combine glucose and oxygen to make ATP and carbon dioxide. … Oxygen combines with the electrons and two hydrogen ions

to make water

. Lastly, the hydrogen ions flow through ATP synthase to make ATP.

How is oxygen used in respiration?

Cellular respiration can occur both aerobically (using oxygen), or anaerobically (without oxygen). During aerobic cellular respiration, glucose

reacts

with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP.

Where is oxygen in cellular respiration?

The other three stages of cellular respiration—pyruvate oxidation, the citric acid cycle, and

oxidative phosphorylation

—require oxygen in order to occur. Only oxidative phosphorylation uses oxygen directly, but the other two stages can’t run without oxidative phosphorylation.

What stage is oxygen used in cellular respiration?

Stages of Cellular Respiration

Glycolysis occurs in the cytosol of the cell and does not require oxygen, whereas the

Krebs cycle and electron transport

occur in the mitochondria and do require oxygen.

What is the role of oxygen in the production of ATP?

The cellular respiration use oxygen

to release energy for the working muscles

. The energy is released in the form of ATP. The oxygen in our body is used to break down glucose and create the fuel for your muscles called ATP.

What is the role of oxygen in photosynthesis and in cellular respiration?

In photosynthesis, solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. … In cellular respiration,

oxygen is used to break down glucose, releasing chemical energy and heat in the process

. Carbon dioxide and water are products of this reaction.

What type of respiration requires oxygen?


Aerobic respiration

is a specific type of cellular respiration, in which oxygen (O

2

) is required to create ATP.

What is respiration explain?

1 : the

act or process of breathing

: the inhaling of oxygen and the exhaling of carbon dioxide. 2 : the process by which cells use oxygen to break down sugar and obtain energy.

What is the role of oxygen during respiration Class 7?

The oxygen we inhale is

used to breakdown glucose into carbon dioxide and water

. Energy is released in the process. The breakdown of glucose occurs in the cells of an organism (cellular respiration). If the food is broken down with the use of oxygen, it is called aerobic respiration.

What are the three products of cellular respiration?

Cellular respiration is this process in which oxygen and glucose are used to create

ATP, carbon dioxide, and water

. ATP, carbon dioxide, and water are all products of this process because they are what is created.

Where does cellular respiration occur?

While most aerobic respiration (with oxygen) takes place in

the cell’s mitochondria

, and anaerobic respiration (without oxygen) takes place within the cell’s cytoplasm.

What are the steps cellular respiration?

There are 4 stages of the cellular respiration process. These are

Glycolysis, the transition reaction, the Krebs cycle (also known as the citric acid cycle)

, and the electron transport chain with chemiosmosis.

What is the relationship between ETC and oxygen?

What is the relationship between the ETC and oxygen? The relationship between the two is

that ETC allows cytochrome to pass into it’s final acceptor oxygen.

How does oxygen break down glucose?


Aerobic respiration

Glucose is oxidised to release its energy, which is then stored in ATP molecules. … Aerobic respiration breaks down glucose and combines the broken down products with oxygen, making water and carbon dioxide. The carbon dioxide is a waste product of aerobic respiration because cells do not need it.

James Park
Author
James Park
Dr. James Park is a medical doctor and health expert with a focus on disease prevention and wellness. He has written several publications on nutrition and fitness, and has been featured in various health magazines. Dr. Park's evidence-based approach to health will help you make informed decisions about your well-being.