Contents
Where does the carbon come from in photosynthesis to form glucose?
The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.
Where does the carbon come from that is used to form glucose quizlet?
Where do carbon atoms in glucose come from? Carbon dioxide and water combine to form a glucose, water, and oxygen.
Where does the carbon used to form glucose C6H12O6 come from?
During photosynthesis, CO2 is taken in by the plant leaf and combined with water molecules (H2O) and energy from sunlight to make glucose (C6H12O6) for the plant to use.
How much CO2 is produced from glucose?
6 molecules
6 molecules of carbon dioxide are required, one for each carbon atom in glucose. 6 molecules of oxygen are produced as a by product of water oxidation. Sunlight provides the free energy needed to make the endergonic pathway proceed.
How is most oxygen transported in the blood quizlet?
-Most O2 is transported by hemoglobin as oxyhemoglobin (Hb—O2) within red blood cells. -the heme portion of hemoglobin contains four atoms of iron, each capable of binding to a molecule of O2. -oxygen and hemoglobin bind in an easily reversible reaction from form hemoglobin.
What is the chemical reaction in which plants convert carbon dioxide and water into glucose and oxygen?
photosynthesis
Plants convert energy from sunlight into sugar in a process called photosynthesis. Photosynthesis uses energy from light to convert water and carbon dioxide molecules into glucose (sugar molecule) and oxygen (Figure 2).
Do we get carbon from glucose?
Yes, the carbon from carbon dioxide in the air we breathe out ends up in “food” molecules (called glucose) each of which contains 6 carbon atoms (and 12 hydrogen atoms and 6 oxygen atoms).
How many number of CO2 molecules are required to?
6 molecules of carbon dioxide are required, one for each carbon atom in glucose. 6 molecules of oxygen are produced as a by product of water oxidation.
How many water molecules are needed for glucose?
six molecules
Reactants of Photosynthesis Notice that it takes six molecules of water and six molecules of carbon dioxide to make one molecule of glucose.
Where do the carbon atoms in glucose come from?
This energy makes carbon molecules an excellent source of fuel for all living things. During photosynthesis, plants absorb carbon dioxide and sunlight to create fuelglucose and other sugarsfor building plant structures. This process forms the foundation of the fast (biological) carbon cycle.
Where does the energy come from to make CO2?
But basically the story is that carbon and hydrogen containing molecules are combined with oxygen from the air to produce CO2 and H20 and usable energy by a series of complicated and enzymatically catalysed reactions. Most of the energy comes from making the water molecules actually, since carbon dioxide is not as deeply bound a molecule.
How many molecules does it take to make one molecule of glucose?
To create one molecule of glucose, the plant needs to absorb six molecules of carbon dioxide and six molecules of water. This leaves six oxygen atoms free, which are released as waste. Carbon dioxide accounts for 0.04 percent of the gases in the Earth’s atmosphere.
Where are glucose and oxygen found in photosynthesis?
Balanced Photosynthesis Chemical Equation Carbon dioxide, water, and radiant energy is present on the reactant side, whereas on the other side are the products of photosynthesis process, i.e., glucose and oxygen. Putting this in a simplified formula, the following equation represents this process.