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What is the process that occurs within the plants which requires them to take oxygen?
Cellular respiration requires oxygen as an electron receptor. This is a process which plants and animals utilize.
What is the final electron receptor in cellular respiration?
oxygen is used to pull electrons down to the Electron Transport Chain which pumps H+ to create H+ gradient :)
Why is oxygen from the air needed in the body?
Oxygen from the air is needed in the body for cellular respiration. Oxygen serves as the final electron receptor in the Electron Transport Chain, which produces ATP for the body to use as energy.
What role does oxygen play in the harvesting of energy?
Oxygen is essential for the process of cellular respiration, which is how cells generate energy from food molecules. During cellular respiration, oxygen is the final electron acceptor in the electron transport chain, allowing for the efficient production of ATP, the cell's primary energy source. Without oxygen, cells cannot produce energy efficiently and may resort to less efficient pathways like anaerobic respiration.
Why the body switches between cellular and anaerobic respiration?
The body needs oxygen for cellular respiration. When doing strenuous activity, such as lifting weights, the mitochondria cannot get enough oxygen. Without oxygen to act as an electron receptor, the body creates lactic acid to "reset" coenzymes to continue respiration.
Why does the body switch between cellular and anaerobic respiration?
The body needs oxygen for cellular respiration. When doing strenuous activity, such as lifting weights, the mitochondria cannot get enough oxygen. Without oxygen to act as an electron receptor, the body creates lactic acid to "reset" coenzymes to continue respiration.
What are the final electron receptor molecules involved in anaerobic and aerobic respiration?
In aerobic respiration, the final electron acceptor is molecular oxygen O2. With anaerobic respiration, the final electron acceptor is a molecule other than oxygen, such as an organic substance.
Why do human need oxygen to survive?
Oxygen is required for cellular respiration, the production of ATP. Oxygen is an electron receptor in the Krebs cycle with reaction that transforms O2 to C02 fueling every chemical reaction (albeit indirectly) in the body.
Does cellular respiration build molecules up to storage energy or break molecules down to release energy?
The process is known as cellular respiration. Cellular respiration releases ATP which is the universal energy molecule. It takes place in three main parts (with the link reaction in between): 1. Glycolysis - glucose is broken down into pyruvate/pyruvic acid 2. Link reaction 3. Krebs Cycle (also known as the citric acid cycle) - extensive rearrangement of the compounds take place here with carbon dioxide produced as a byproduct. 4. Electron Transport Chain (also known as the Hydrogen Transport Chain) - the 'excited' electron of the hydrogen atom is "bounced" and received by the oxygen atom receptor at the other end.
What protein receives chemical messages for the cell?
The protein that receives chemical messages for the cell is usually a receptor protein. These proteins are located on the cell membrane and can bind to specific signaling molecules, such as hormones or neurotransmitters, to trigger a cellular response.
What is the role of NADH in cellular respiration?
Within the context of cellular respiration (as well as in photosynthesis) NADH acts as an electron receptor. During glycolysis and the Kreb's cycle, various molecules are oxidized (lose electrons) and these electrons are passed to NADH. The NADH then carries the electrons to the mitochondria where they are deposited for the electron transport chain which uses the movement of the electrons to generate ATP (adenosine triphosphate; the body's energy molecule).
What is the four main steps of cellular respiration?
The four main steps of cellular respiration are glycolysis, pyruvate oxidation, the citric acid cycle (Krebs cycle), and oxidative phosphorylation (electron transport chain and chemiosmosis). These steps occur in different parts of the cell and result in the production of ATP for cellular energy.
