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What is the main site of respiration in the cell

What is the site of respiration in a cell?

Prokaryotic cells carry out cellular respiration within the cytoplasm or on the inner surfaces of the cells . More emphasis here will be placed on eukaryotic cells where the mitochondria are the site of most of the reactions.

Where does cellular respiration mainly take place?

Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell’s cytoplasm. The energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move.

What is the main source of respiration?

The glucose molecule is the primary fuel for cellular respiration .

What are the 3 main parts of cellular respiration?

Cellular respiration is a collection of three unique metabolic pathways: glycolysis , the citric acid cycle , and the electron transport chain .

What happens during respiration?

Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells). Note the number of oxygen, carbon dioxide, and water molecules involved in each ‘turn’ of the process.

What is raw material for the cellular respiration?

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP ; waste products include carbon dioxide and water.

What type of cellular respiration do humans perform?

Cellular respiration in humans is a continuous process and requires a continuous supply of oxygen. In the absence of oxygen, the cellular respiration process stops at glycolysis .

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Why do we need cellular respiration to occur?

The Purpose Cellular Respiration The purpose of cellular respiration is simple: it provides cells with the energy they need to function. If living things could not get the energy they need out of food, it would be absolutely worthless. All living things would eventually die, no matter the quality and amount of food.

What is the site of cellular respiration in eukaryotes?

The aerobic phases of cellular respiration in eukaryotes occur within organelles called mitochondria .

What is respiration short answer?

In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction. In contrast, exhalation (breathing out) is usually a passive process.

How are 32 ATP produced?

The NADH pulls the enzyme’s electrons to send through the electron transport chain. The electron transport chain pulls H+ ions through the chain. From the electron transport chain, the released hydrogen ions make ADP for an end result of 32 ATP .

How are 36 ATP produced?

There are three stages in cellular respiration – glycolysis, the Krebs cycle (citric acid cycle), and the electron transport chain. Each stage captures energy directly and in high energy electrons that ultimately results in ATP production .

What is the first step in cellular respiration?

In glycolysis, the beginning process of all types of cellular respiration, two molecules of ATP are used to attach 2 phosphate groups to a glucose molecule, which is broken down into 2 separate 3-carbon PGAL molecules. PGAL releases electrons and hydrogen ions to the electron carrier molecule NADP+.

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Can glycolysis occur without oxygen?

In organisms that perform cellular respiration, glycolysis is the first stage of this process. However, glycolysis doesn’t require oxygen , and many anaerobic organisms—organisms that do not use oxygen —also have this pathway.

What is the relationship between photosynthesis and cellular respiration?

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

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