Photosynthesis

In hog slaughter, the animals are bled after stunning by severing a large vein

they are carrying energy. that is why itis important.

Magnesium is the alkaline earth metal that is part of the reaction process of photosynthesis.

Photosynthesis produces oxygen.

The energy to drive the light-dependent stage of photosynthesis comes from sunlight, specifically from the absorption of light by chlorophyll molecules in the chloroplasts of plant cells. This absorbed light energy is then converted into chemical energy in the form of ATP and NADPH, which are used in the subsequent stages of photosynthesis to produce glucose.

They are obtained from water. Photolysis of water release Electrons

There are two mainly. They are CO2 and H2O

Water splits into Protons, electrons, and Oxygen

The Calvin cycle converts carbon dioxide to carbohydrate. CO2 --------> (CH2O) This process requires an energy source and a hydrogen source, as well as carbon dioxide. The energy source is ATP. The hydrogen source is NADPH. Both of these substances are produced by the light-dependent reactions. For more details search this site for "calvin cycle", "light dependent" and l"ight independent". Also see: http://www.phschool.com/science/biology_place/biocoach/photosynth/calvin1.html
Light dependent - are photochemical reactions and involve excited electrons moving along an electron transport chain and result in the production of ATP and NAD PH which are used in the Calvin Cycle. There are no enzymes in the light stage and temperature has no effect on this stage. Reactions occur in the Alkaid membranes of the chloroplasts. The Calvin Cycle uses the ATP and NAD PH to fix CO2 using enzymes and so is affected by temperature. Reactions occur in the stroma of the chloroplasts.

Photo and synthesis

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Sugar molecules

1. As part of the carbon cycle known as photosynthesis, plants and algae absorb carbon dioxide, light, and water to produce carbohydrate energy for themselves and oxygen as a waste product.

The oxygen that is produced in photosynthesis goes into the air.

Just a second; you might be a tad mixed up here. Did you mean "Why is the waste product in photosynthesis carbon dioxide?"? Because then I can answer you.

You're wrong; CO2 is not the product of photosynthesis, but the reactant (or the "input" as opposed to the "output")

During photosynthesis plants take in water, carbon dioxide and sunlight, and release oxygen gas, as well as making glucose for its "food". Really complex process. But just for the sake of remembering you can just say that they just take off a carbon atom from the gas (but they don't; it's actually oxygen from the water that's released, but you'll learn about that later- it's a really complicated process).

However, in the process of respiration (which is NOT breathing!!! It's the process of releasing energy from food) all aerobic life (life which "breathes", including plants) take in Oxygen and release Carbon Dioxide (including plants), so in some ways plants are just continuously making and recycling Oxygen and Carbon dioxide...

Of course it can be. Cellulose is made up of glucose

No it is ot a result. It is used in photosynthesis

I assume you are asking about carbon dioxide.

Green wavelengths (wavelengths around 500-600 nm) are the least useful to photosynthesis. This is because chlorophyll, the pigment responsible for absorbing light in photosynthesis, reflects green light instead of absorbing it. Therefore, green light is not as effectively utilized for driving photosynthetic reactions.

Sugar and Oxygen.

Yes

which stages would be considered a light reaction?

No.