Chemistry 

What are the two main stages of aerobic respiration?

Michael Wilson

What are the two main stages of aerobic respiration?

Aerobic respiration is divided into three main stages: Glycolysis, Citric acid cycle and Electron transport chain.

What are two parts of cellular respiration?

Cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. Glycolysis is an anaerobic process. The other two stages are aerobic processes. The products of cellular respiration are needed for photosynthesis, and vice versa.

What are the two products of aerobic respiration?

Here, the glucose and oxygen take part in a chemical reaction. The reaction is called aerobic respiration, and it produces energy which transfers to the cells. Aerobic respiration makes two waste products:carbon dioxide and water.

What are the three parts of aerobic cellular respiration?

In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts. The three stages of aerobic cellular respiration are glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation.

What is the process of aerobic respiration?

Aerobic respiration is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. Aerobic respiration is the process of breaking down the food that comes into a cell using oxygen to help power that process.

What is aerobic pathway?

The aerobic pathway is also known as the Krebs citric acid cycle and the cytochrome chain. In these two steps the by-products of the initial anaerobic glycolysis step are oxidized to produce carbon dioxide, water, and many energy-rich ATP molecules. All together, all these steps are referred to as cell respiration.

What is the example of aerobic pathway?

Examples of aerobic activities include marathon running, 5,000 metres, distance swimming, jogging back to reposition in football, dancing, canoeing and cross-country skiing. Glucose from carbohydrates and fats supply the energy for the aerobic energy system and can supply energy for long periods of time.

Is glycolysis aerobic or anaerobic?

Glycolysis, as we have just described it, is an anaerobic process. None of its nine steps involve the use of oxygen. However, immediately upon finishing glycolysis, the cell must continue respiration in either an aerobic or anaerobic direction; this choice is made based on the circumstances of the particular cell.

Is fermentation aerobic or anaerobic?

Fermentation is another anaerobic (non-oxygen-requiring) pathway for breaking down glucose, one that’s performed by many types of organisms and cells. In fermentation, the only energy extraction pathway is glycolysis, with one or two extra reactions tacked on at the end.

What is the main advantage of aerobic fermentation?

While aerobic fermentation does not produce adenosine triphosphate (ATP) in high yield, it allows proliferating cells to convert nutrients such as glucose and glutamine more efficiently into biomass by avoiding unnecessary catabolic oxidation of such nutrients into carbon dioxide, preserving carbon-carbon bonds and …

What are the disadvantages of aerobic fermentation?

Aerobic fermentation is usually a shorter and more intense process than anaerobic fermentation. Oxygen limitation is a major problem in aerobic fermentations because oxygen has a low solubility in water.

Is Calvin cycle aerobic?

Anaerobic microorganisms differ from aerobic organisms in their pathways of central carbon metabolism. However, the Calvin cycle for CO2 fixation does not operate in any of these anaerobic autotrophs, and in many of the heterotrophs the Krebs cycle is lacking.

What is the end product of Calvin cycle?

glucose

Is light dependent aerobic or anaerobic?

Processes in photosynthesis are divided on basis of requirement of sunlight while respiration processes are divided on basis of requirement of oxygen. Hence in photosynthesis you have the light dependent reactions and the dark reactions while in respiration there is aerobic respiration and anaerobic respiration.

Where does aerobic respiration occur?

mitochondria

What is aerobic respiration used for?

Aerobic respiration is the process by which organisms use oxygen to turn fuel, such as fats and sugars, into chemical energy. In contrast, anaerobic respiration does not use oxygen. Respiration is used by all cells to turn fuel into energy that can be used to power cellular processes.

Where is oxygen used in aerobic respiration?

electron transport chain

What is aerobic respiration with example?

When the breakdown of glucose food occurs with the use of oxygen ,it is called aerobic respiration. Glucose___oxygen _____co2 +water + energy. For example -Human ,dogs ,cats and all the animals and birds ,insects ,grasshopper etc many more and most of the plants carry out aerobic respiration by using oxygen of air.

Why is oxygen needed for aerobic respiration quizlet?

The chemical reactions that break down nutrients to release energy. Respiration which uses oxygen and produces relatively large amounts of energy. The oxygen needed after exercise to break down lactic acid.

Why is oxygen so important for aerobic respiration?

Oxygen is a critical component of Aerobic respiration in many animals. The reason why oxygen is so important is because it plays a crucial role in the mitochondria, the powerhouses of the cell. The mitochondria has two membranes. On the inner membrane, 4 groups of protein form the Electron Transport Chain.

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.

What is the main difference between aerobic and anaerobic respiration?

Aerobic respiration takes place in presence of oxygen; whereas anaerobic respiration takes place in absence of oxygen. Carbon dioxide and water are the end products of aerobic respiration, while alcohol is the end product of anaerobic respiration. Aerobic respiration releases more energy than anaerobic respiration.

How does light affect aerobic respiration?

No, light does not affect cellular respiration as the process of cellular respiration is not dependent on light. In plants, light affects the rate of cellular respiration indirectly by increasing the light intensity and the surrounding temperature, which reduces the amount of glucose required for cellular respiration.

What are the two products of light reactions?

The Light Reactions ATP and NADPH are generated by two electron transport chains. During the light reactions, water is used and oxygen is produced.

What are the 3 products of light reaction?

Light reactions harness energy from the sun to produce chemical bonds, ATP, and NADPH. These energy-carrying molecules are made in the stroma where carbon fixation takes place. The light-independent reactions of the Calvin cycle can be organized into three basic stages: fixation, reduction, and regeneration.

What are the photosystems I and II in photosynthesis?

There are two types of photosystems: photosystem I (PSI) and photosystem II (PSII). Both photosystems contain many pigments that help collect light energy, as well as a special pair of chlorophyll molecules found at the core (reaction center) of the photosystem.

What is the difference between photosystem 1 and 2?

Photosystem I (PS I) and photosystem II (PS II) are two multi-subunit membrane-protein complexes involved in oxygenic photosynthesis. The main difference between photosystem 1 and 2 is that PS I absorbs longer wavelengths of light (>680 nm) whereas PS II absorbs shorter wavelengths of light (<680 nm).

What is the main purpose of photosystem 2?

Photosystem II is the first link in the chain of photosynthesis. It captures photons and uses the energy to extract electrons from water molecules.

What is difference between ps1 and ps2?

What are the two types of photosystem?

There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3). PSII acts first during the light transformation process in photosynthesis, but it was named PSII because it was discovered second.

Biology 

What are the two main stages of aerobic respiration?

Michael Wilson

What are the two main stages of aerobic respiration?

Aerobic respiration is divided into three main stages: Glycolysis, Citric acid cycle and Electron transport chain.

What are two parts of cellular respiration?

Cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. Glycolysis is an anaerobic process. The other two stages are aerobic processes. The products of cellular respiration are needed for photosynthesis, and vice versa.

What are the two products of aerobic respiration?

Here, the glucose and oxygen take part in a chemical reaction. The reaction is called aerobic respiration, and it produces energy which transfers to the cells. Aerobic respiration makes two waste products:carbon dioxide and water.

What is aerobic respiration simple?

Aerobic respiration is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. Aerobic respiration is the process of breaking down the food that comes into a cell using oxygen to help power that process.

What are three products of aerobic respiration?

Aerobic respiration breaks down glucose and combines the broken down products with oxygen, making water and carbon dioxide.

What is aerobic respiration used for?

Aerobic respiration is the process by which organisms use oxygen to turn fuel, such as fats and sugars, into chemical energy. In contrast, anaerobic respiration does not use oxygen. Respiration is used by all cells to turn fuel into energy that can be used to power cellular processes.

What are examples of aerobic respiration?

When the breakdown of glucose food occurs with the use of oxygen ,it is called aerobic respiration. Glucose___oxygen _____co2 +water + energy. For example -Human ,dogs ,cats and all the animals and birds ,insects ,grasshopper etc many more and most of the plants carry out aerobic respiration by using oxygen of air.

Where does aerobic respiration occur?

mitochondria

Does aerobic require oxygen?

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.

Where is oxygen used in aerobic respiration?

electron transport chain

Where does respiration take place in our body?

Respiration occurs in the mitochondria of the cell of the human body. Breathing occurs through lungs.

How does respiration occur in our body?

Glucose and oxygen react together in cells to produce carbon dioxide and water and releases energy. The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Energy is released in the reaction. The mitochondria , found in the cell cytoplasm, are where most respiration happens.

Why does respiration occur in our body?

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.

Does respiration occur in the lungs?

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.

Where does respiration occur in the lungs?

At the end of the bronchioles are air sacs called alveoli, and this is where gas exchange occurs. An important structure of respiration is the diaphragm. When the diaphragm contracts, it flattens and the lungs expand, drawing air into the lungs.

What controls the rate of breathing?

The respiratory rate is controlled by the respiratory center located within the medulla oblongata in the brain, which responds primarily to changes in carbon dioxide, oxygen, and pH levels in the blood.

How do lungs separate oxygen from air?

The bronchial tubes divide into smaller air passages called bronchi, and then into bronchioles. The bronchioles end in tiny air sacs called alveoli, where oxygen is transferred from the inhaled air to the blood. After absorbing oxygen, the blood leaves the lungs and is carried to the heart.

What do we exhale when we breathe?

When you inhale (breathe in), air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.

What vitamins are good for your lungs?

Vitamins

  • Vitamin D. Share on Pinterest Vitamin D may help the lungs function better.
  • Vitamin C. Researchers have linked low levels of vitamin C to increases in shortness of breath, mucus, and wheezing.
  • Vitamin E.
  • Vitamin A.

Do we inhale only oxygen?

While we breathe, we inhale oxygen along with nitrogen and carbon dioxide which co-exist in air. In alveoli, partial pressure of oxygen is relatively higher than carbon dioxide whereas, in the blood which enters in to the lungs, partial pressure of carbon dioxide is higher than oxygen.

Can you breathe 100% oxygen?

We breathe air that is 21 percent oxygen, and we require oxygen to live. So you might think that breathing 100 percent oxygen would be good for us — but actually it can be harmful. So, the short answer is, pure oxygen is generally bad, and sometimes toxic.

What percentage of oxygen do we breathe in?

21%

How long can you breathe 100% oxygen?

Contrary to popular myth, hyperventilating air at ordinary pressures never causes oxygen toxicity (the dizziness is due to CO2 levels dropping too low), but breathing oxygen at pressures of 0.5 bar or more (roughly two and a half times normal) for more than 16 hours can lead to irreversible lung damage and, eventually.

Does being on oxygen weaken your lungs?

Unfortunately, breathing 100% oxygen for long periods of time can cause changes in the lungs, which are potentially harmful. Researchers believe that by lowering the concentration of oxygen therapy to 40% patients can receive it for longer periods of time without the risk of side effects.

What happens if your oxygen concentrator is set too high?

Oxygen toxicity is lung damage that happens from breathing in too much extra (supplemental) oxygen. It’s also called oxygen poisoning. It can cause coughing and trouble breathing. In severe cases it can even cause death.

Do astronauts breathe pure oxygen?

Inside spacesuits, astronauts have the oxygen they need to breathe. They have the water they need to drink. Once in their suits, astronauts breathe pure oxygen for a few hours. Breathing only oxygen gets rid of all the nitrogen in an astronaut’s body.

How many dead astronauts are floating in space?

Only three astronauts have died in space: Georgy Dobrovolsky , Vladislav Volkov , and Viktor Patsayev .

How do astronauts poop?

To poop, astronauts used thigh straps to sit on the small toilet and to keep a tight seal between their bottoms and the toilet seat. It didn’t work very well and was hard to keep clean. To poop, astronauts lift the toilet lid and sit on the seat — just like here on Earth.

How much do astronauts get paid?

According to NASA, civilian astronauts are awarded a pay grade of anywhere from GS-11 to GS-14, so the income range is relatively wide. Starting salaries begin at just over $66,000 a year. Seasoned astronauts, on the other hand, can earn upward of $144,566 a year.

Are there any humans floating in space?

On February 7, 1984, Bruce McCandless became the first human to float free from any earthly anchor when he stepped out of the space shuttle Challenger and flew away from the ship. He later helped deploy the Hubble Space Telescope into orbit from the space shuttle Discovery in 1990.