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What is the first step of the Calvin -benson cycle?
The first step of the Calvin cycle is carbon fixation. RuBisCO (ribulose-1,5-bisphosphate carboxylase oxygenase) is the enzyme that fixates a carbon from carbon dioxide to RuBP (ribulose-1,5-bisiphosphate) to make 3-phosphoglycerate.
What is the only step in cell respiration that is not oxygen dependent?
Glycolysis is the only step in cell respiration that is not oxygen-dependent. It takes place in the cytoplasm and does not require oxygen to convert glucose into pyruvate, generating a small amount of ATP in the process.
If ethanol reacts with oxygen it produces?
That depends on how reaction circumstances are: catalyst, power of oxidant used, temperature, etc. Possible products are (following increasing oxidation value): ethanal (aceetaldehyde), ethanoic acid (acetic acid), Next step quite difficult to form: carbon dioxide + methanol, methanal (formaldehyd), methanoic acid (formic acid), carbon dioxide In some steps also water is released (depending on which oxidant is used)
What is the process of photosynthesis from start to finish?
1. First the chlorophyll (the chemical that makes plants leaves green and traps sunlight) traps the sunlight in the leaves. (The sunlight provides energy for the plants.)2. Next the sunlight gives the plant energy to start the food-making process.3. Then the roots suck nutrients up to the leaves and then the leaves mix carbon dioxide, the nutrients and water to make their food. (sugar)4. Finally they throw out their waste (oxygen).
How do you use the standard enthalpies of formation to calculate the amount of heat released per kilogram of methanol?
Presumably we are talking combustion of methanol? Methanol burns to make water and carbon dioxide. The energy change from carbon, hydrogen and oxygen to carbon dioxide and water is the same if it is in one step, or via the intermediate step of making ethanol.
What does plants leave?
Oxygen (Step 1:takes in carbon dioxide. Step 2:releases oxygen)
What does plant leaves make?
Oxygen (Step 1:takes in carbon dioxide. Step 2:releases oxygen)
What is the word equation for coke in a blast furnace?
(Extraction of Iron in a Blast Furnace: Step 1 and Step 2)Coke reacts with oxygen from the air to form carbon dioxide and a lot of heat.Carbon + Oxygen -> Carbon Dioxide + heatC(s) + O2(g) -> CO2(g)Carbon dioxide reacts with more coke to form carbon monoxideCarbon Dioxide + Carbon -> Carbon MonoxideCO2(g) + C(s) -> 2CO(g)
Why do high oxygen levels inhibit photosynthesis?
High oxygen levels inhibit photosynthesis because oxygen competes with carbon dioxide for the active site on the enzyme RuBisCO, which is essential for the first step of photosynthesis. This competition reduces the efficiency of carbon dioxide fixation and ultimately hinders the overall process of photosynthesis.
What reaction is catalysed by RuBisCo?
RuBisCo catalyzes the first major step in carbon fixation during photosynthesis, where it attaches carbon dioxide to a five-carbon sugar molecule, ribulose bisphosphate (RuBP), forming a 6-carbon compound. This process is essential for plants to convert carbon dioxide into organic molecules like glucose for energy and growth.
Is carbon dioxide a by-product of cellular respiration?
yes. NO. Glycolysis does not produce carbon dioxide. In aerobic respiration, carbon dioxide is produced in the citric acid (or Krebs cycle) which is a different step of the metabolic breakdown of glucose.
Carbon burning in a low oxygen supply to produce carbon monoxide?
When carbon burns in a low-oxygen environment, it can produce carbon monoxide instead of carbon dioxide. This happens when there is not enough oxygen to form CO2, leading to the incomplete combustion of carbon to form CO. Carbon monoxide is a toxic gas that can be harmful to human health if inhaled in high concentrations.
When Plants combine carbon dioxide and water from to make what substance?
Plants don't combine hydrogen and carbon dioxide directly; if they did (and did so in a 1-to-1 ratio), the result would be formaldehyde. Instead, plants combine carbon dioxide and water in such a way as to produce carbohydrates (particularly glucose) and oxygen in a multi step complex synthetic process.
What does rubisco do?
Rubisco is an enzyme involved in carbon fixation during photosynthesis. It catalyzes the first step of the Calvin cycle, where it combines carbon dioxide and ribulose-1,5-bisphosphate (RuBP) to form two 3-phosphoglycerate molecules. This process is essential for plants to convert atmospheric carbon dioxide into organic molecules that can be used for growth and energy production.
Which happens last in the process of photosynthesis?
The last step in photosynthesis is the production of glucose or sugar molecules. This occurs in the stroma of the chloroplasts, where the energy from sunlight is used to convert carbon dioxide and water into glucose, which can then be used by the plant for energy.
How does the Calvin cycle contribute to the production of glucose in photosynthesis?
The Calvin cycle is a series of chemical reactions that occur in the chloroplasts of plants during photosynthesis. It uses carbon dioxide, ATP, and NADPH to produce glucose. The cycle helps convert carbon dioxide into glucose, which is a key step in the overall process of photosynthesis.
How do standing rain forest affect carbon emissions?
The trees in the rainforest's take in carbon dioxide and breathe out oxygen which takes up 21% of air in the Earth. When deforestation takes place (when an area of land is cleared of its trees) in the rainforest's there are no trees to take in the carbon dioxide. This results in global warming, as the carbon dioxide traps heat within the Earth's atmosphere.
