Respiration And Photosynthesis

Both photosynthesis and cellular respiration are the main pathways of energy transportation in organisms. However, the reactants and the products are exact opposites in photosynthesis and in cellular respiration.

Photosynthesis occurs each time the sun’s light reaches the lives of a plant. The chemical ingrediants for photosynthesis are carbon dioxide (CO2), a gas that passes from the air into a plant via tiny pores, and water (H20), which absorbed from the soil by the plant’s roots. Inside leaf cells, tiny structures called chloroplasts use light energy to rearrange the atoms of the ingrediants to produce sugars, most importantly glucose (C6H12O6) and other organic molecules. Chlorophyll gives the plant its green color (Simon, 02/2012, pp. 92-93). Chemical reactions transfers the sun’s light energy into the chemical bonds that hold energy-carrying molecules. The most common are

In photosynthesis H+ ions are vital in the production of the energy source that is ATP, which is used in several metabolic processes, such as respiration. The photolysis of water produces H+ ions, electrons and O2. The excited electrons lose energy as they move along the electron transport chain, this energy is used to transport the H+ ions (protons) in to the thylakoid, which causes a higher concentration of H+ than there is in the stroma, thus causing a proton gradient across the membrane. The H+ then proceed to move down the concentration gradient into the stroma via the enzyme ATP synthase. The energy from this process is called chemiosmosis and combines ADP with inorganic phosphate (Pi) to form ATP. Light energy is then absorbed by photosystem I (PS I) which excites the electrons to a higher energy level. These electrons are transferred to NADP with H+ ions from the stroma to form reduced NADP. The whole of this process is

The process of photosynthesis, by which light energy is used to convert inorganic compounds into organic substances with the release of oxygen, may be the most important biological event sustaining life (Keir et al. 2017). In the light-dependent reactions, the chloroplasts of a plant use the pigment chlorophyll to convert light energy into chemical energy. This energy is used to split water and produce oxygen (Eller et al. 2015). The energy is later used in the light independent reactions, where carbon dioxide (CO2) undergoes carbon fixation with the aid of enzyme rubisco, because it catalyses both carboxylation and oxygenation reactions and most of responses of photosynthesis to light, CO2, and temperature (John Evans 2013).

Without photosynthesis there would not be energy or carbohydrates available for the growth and reproduction of (almost) all organisms. In addition photosynthesis produces oxygen, which is essential for the release of energy in cells by the process of respiration.

Hello, my name is Audrey and welcome to my presentation on the chemistry of photosynthesis and cellular respiration.

Their sources of electrons in the electron transport chain also differ, photosynthesis getting electrons from the splitting of water into oxygen, and cellular respiration receiving electrons from NADH and FADH, both coming from glucose. At the end of the process the final electron acceptors in plant cells accept NADP+ to make NADPH, while in animal cells oxygen accepts an H+ to make a water molecule.

The third and final step in cellular respiration is the electron transport chain which takes place in the inner mitochondrion membrane. This process uses the high-energy electrons from the Krebs cycle to convert ADP into ATP. These high-energy electrons are first passed along the electron transport chain. Every time 2 electrons travel down this chain, their energy is used to transport hydrogen ions (H+) across the membrane. These H+ ions escape through channels into an ATP synthase. This causes it to spin, transforming the ADP into ATP. On average, each pair of high-energy electrons that moves down the electron

Cellular respiration and photosynthesis share many similarities in structural components and processes, such as the fact that both derive energy from electrons as they pass through a chain. With the use of electron transport chains, both processes move hydrogen ions across a membrane to form a chemiosmotic gradient. Both systems use this gradient to move hydrogen ions through the membrane passively and into an ATP synthase molecule, which yields ATP molecules. We see the intermediate molecule G3P in cell respiration and photosynthesis, which goes on to form glucose or other complex compounds. Both systems share unique and similar characteristics that make life possible for both plant and animal cells.

Photosynthesis and respiration are both metabolic pathway reactions that are vital for the existence and survival of organisms in plants and animals. These reactions, both having the same goal, use the sun to produce free energy – ATP, which enables them to grow. The process’ used in photosynthesis and respiration have similarities and differences which complement each other in the environment to allow function, thus enabling them to each carry out the correct actions to fulfill their own necessities.

While the Calvin cycle forms sugar from oxygen using ATP and NADPH. Organisms like plants, alga, cyanobacteria, and purple sulfur bacteria undergoes photosynthesis. It is important for photosynthesis to occur because all living things needs oxygen to survive and photosynthesis gives us that

The role of the hydrogen ion gradients in both cellular respiration in the mitochondria and photosynthesis in the chloroplast is that the hydrogen gradients is the gradient stores the energy. Chemiosmosis is the movement of ions across the membrane. Chemiosmosis generate ATP by the movement of hydrogen ions across the membrane during cellular respiration and photosynthesis. In the cellular respiration it travels down the electron transport system and in photosynthesis it travels through the ATP synthases. Both the cellular respiration and the photosynthesis uses ATP energy to temporarily use the energy it stores for future uses. Photosynthesis uses solar energy to convert into the chemical bond of glucose and cellular respiration converts the

     Photosynthesis has a two-stage performance before plants produce the two products they are known to produce. These stages are Photosystem I and II. Photosystem II is dependant on light reactions for energy which causes the electrons to be react and be transferred to Photosystem II. The electrons are transported through the Photosystem II electron transport system, however some energy is used to drive ATP synthesis. Meanwhile, light is being absorbed by the Photosystem I, which causes the electrons to react. This process sends the electrons to the Photosystem I transport system where some energy is released as electrons travel through the electron transport system and is captured as NADPH. When this process is completed oxygen is released from the plant and glucose has been

     Photosynthesis is a biochemical process in which plant, algae, and some bacteria harness the energy of light to produce food. Nearly all living things depend on energy produced from photosynthesis for their nourishment, making it vital to life on Earth. It is also responsible for producing the oxygen that makes up a large portion of the Earth¡¦s atmosphere. Factors that affect photosynthesis are light intensity and wave length, carbon dioxide concentration, and temperature.

All this lights have equally conurbation towards plants growth but without any light then there is no process of photosynthesis which means there no plant growth at all. Photosynthesis is the procedure whereby radian vitality from the sun is changed over to the concoction bond vitality of glucose. In plants it happens in chloroplasts which concentrated cells. Chlorophyll atoms are instrumental in the first step, which is the change of light vitality to the substance bond vitality of ATP. Vitality to change carbon dioxide and hydrogen to glucose is then given by the ATP. Oxygen is discharged as a waste result of procedure. The reaction is shown below: