Which 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.
What would happen without cellular respiration?
Without the process of cellular respiration, there is no gaseous exchange and the cells, tissue and other organs die due to the lack of oxygen and by the accumulation of carbon dioxide within the cells and tissues.
What are the three steps 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.
How does oxygen affect cellular respiration?
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released.
What happens to pyruvate in the presence of oxygen?
In the presence of oxygen, pyruvate is transformed into an acetyl group attached to a carrier molecule of coenzyme A. The resulting acetyl CoA can enter several pathways, but most often, the acetyl group is delivered to the citric acid cycle for further catabolism.
What is reduction in cellular respiration?
During aerobic respiration, the oxygen taken in by a cell combines with glucose to produce energy in the form of Adenosine triphosphate (ATP), and the cell expels carbon dioxide and water. This is an oxidation reaction in which glucose is oxidized and oxygen is reduced.
Which organisms are capable of cellular respiration?
Organisms from all kingdoms of life, including bacteria, archaea, plants, protists, animals, and fungi, can use cellular respiration.
What are the waste molecules created during cellular respiration?
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
What is the name of respiration that occurs in the absence of oxygen?
Unlike aerobic respiration, anaerobic respiration does not need oxygen. It is the release of a relatively small amount of energy in cells by the breakdown of food substances in the absence of oxygen.
Where does cellular respiration release co2?
ATP (or, in some cases, GTP), NADH, and FADH_2 are made, and carbon dioxide is released. These reactions take place in the mitochondrial matrix. Oxidative phosphorylation. The NADH and FADH_2 produced in other steps deposit their electrons in the electron transport chain in the inner mitochondrial membrane.
When glucose is catabolized in the absence of oxygen?
In the absence of oxygen, some cells are able to make ATP by the anaerobic catabolism of glucose. There are two phases of anaerobic catabolism of glucose: glycolysis and lactate formation. In glycolysis, glucose is broken into two 3-carbon molecules that are then oxidized and manipulated to yield ATP.
What is the cellular respiration formula?
Notice that the equation for cellular respiration is the direct opposite of photosynthesis: Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O.
What is the goal of cellular respiration?
In cellular respiration, electrons from glucose move gradually through the electron transport chain towards oxygen, passing to lower and lower energy states and releasing energy at each step. The goal of cellular respiration is to capture this energy in the form of ATP.
What gas is given during cellular respiration?
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. Water and carbon dioxide are released as byproducts.
Is NADH an electron carrier?
NAD+ is the primary electron carrier used during cellular respiration, with FAD participating in just one (or two sometimes two) reactions. The oxidized form of the electron carrier (NAD+) is shown on the left and the reduced form (NADH) is shown on the right.
Why cellular respiration is more efficient when oxygen is present in cells?
Though cellular respiration can occur anaerobically without oxygen, the process is much more efficient under aerobic conditions, in the presence of oxygen. And what exactly is the role of oxygen? Oxygen is the final electron acceptor of the electron transport chain in the final step of cellular respiration.
What are the 3 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.
What is the primary role of oxygen in cellular respiration?
Question: The Primary Role Of Oxygen In Cellular Respiration Is To Act As An Acceptor For Electrons And Hydrogen, Which Then Forms Water Yield Energy In The Form Of ATP As 0_2 Is Passed Down The Electron Chain Catalyze The Reactions Of Glycolysis Aid In The Formation Of Pyruvate Combine With Carbon, Forming CO_2 …
What is the overall purpose of cellular respiration?
Cellular respiration is the process through which cells convert sugars into energy. To create ATP and other forms of energy to power cellular reactions, cells require fuel and an electron acceptor which drives the chemical process of turning energy into a useable form.
What are two reducing agents used in cellular respiration?
e.g., in respiration,
- O2 (oxidizing agent) receives electrons from sugar (oxidized)
- Sugar (reducing agent) donates electrons to O2 (reduced)
- Movement of electrons to more electronegative state causes loss of potential energy, and therefore release of energy.
Which statement best represents the relationship between photosynthesis and cellular respiration?
The answer is (B) Photosynthesis stores energy in complex organic molecules, while respiration releases it.
What stage is oxygen used in cellular respiration?