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What Are Photosynthesis and Respiration?

The quick answer to your question is thatoxygen is just a waste product when plants dophotosynthesis.

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Part 2 - Investigating Photosynthesis and Respiration in Lakes

Direct students to complete the reading (Introduction to Cell Respiration and Photosynthesis) prior to carrying out the exercises and answering questions.

Photosynthesis and cellular respiration are similar in that they both undergo chemiosmosis.

However, during the day, the amount of oxygen plants release as part of photosynthesis makes the amount of oxygen they consume for respiration seem negligible.

Where does cellular respiration and photosynthesis occur?

There are very few similarities between photosynthesis and cellular respiration.

Great question! Plants produce oxygen, becausewhen they photosynthesize, they take carbondioxide (CO2; a gas-form of carbonbonded to two oxygen molecules) and water(H2O; an oxygen bonded to two hydrogenatoms) and combine them using light energy toproduce sugars and oxygen. This stores the energyin chemical bonds (in the sugars) and releasesO2.The chemical equation for thisis:6CO2 + 6H2C6H12O6(sugar) +6O2


When teaching units on and or the , direct evidence of their occurrence is sometimes difficult to provide in a compelling form the laboratory. This exercise allows students to work directly with organisms and, via RUSS, an entire lake . Increasing concentrations in student built microcosms tested with water chemistry kits and daytime RUSS data provide evidence for photosynthetic activity. Decreasing oxygen concentrations in student built microcosms with fish and nighttime RUSS data provide evidence of respiration. The net balance of photosynthesis and respiration plays a major role in determining the level of oxygen present in lakes, particularly at depth in lakes. Oxygen levels at different depths differ if a lake is thermally stratified. Furthermore, as a byproduct of their larger will generally illustrate changes in oxygen concentration more dramatically than lakes which are less rich in nutrients and biomass.

Photosynthesis is the process by which plants use light energy to ..

Plants can do two importantthings:
Use energy from the sun to turnCO2 (carbon dioxide) and H2O(water) into sugar(C6H12O6) withoxygen (O2) left over. This isphotosynthesis.


This activity introduces students to the concept that aquatic organisms alter the chemistry of their environment. Students also use microcosms to monitor rapid changes in water chemistry caused by photosynthesis and respiration.

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  • Cycle of Photosynthesis and Respiration - VTAide

    Photosynthesis requires carbon dioxide and gives off oxygen as a waste product....

  • BBC - GCSE Bitesize: Photosynthesis and respiration

    respiration and photosynthesis review reminds me of elementary school before looking for as it is today.

  • C 8 - Photosynthesis and Respiration - DFJHS Science

    Photosynthesis’s end product is sugar molecule and oxygen; the respiration’s reactant is sugar molecule and oxygen.

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Differences Of Respiration And Photosynthesis - YouTube

And they can:
Breakdown the sugar(C6H12O6) intoCO2 (carbon dioxide) and H2O(water), but they need (O2) oxygen todo it. This is cellular respiration.

This lesson focuses on oxygen in cellular respiration

Plants make their own food by photosynthesis. Carbon dioxide and water react together in the presence of light and chlorophyll to make glucose and oxygen. The glucose is converted into starch, fats and oils for storage. It is used to make cellulose for cell walls, and proteins for growth and repair. It is also used by the plant to release energy by respiration.

Photosynthesis and Respiration Flashcards | Quizlet

is a chemical reaction that happens in the chloroplasts of plant cells. It produces glucose for use by the plant, and oxygen as a waste product. Here are the equations for photosynthesis:

Photosynthesis and Respiration - Term Paper

Green plants absorb light energy using chlorophyll in their leaves. They use it to react carbon dioxide with water to make a sugar called glucose. The glucose is used in respiration, or converted into starch and stored. Oxygen is produced as a by-product.

Photosynthesis and Respiration by Christie N on Prezi

The directed study lesson guides students through the lab activity and the ." Students need a printed copy of the worksheet and may want to print directions for the activity. They will either need to read the "Introduction to Photosyntheis and Respiration" on the web, or get a printed copy of that as well.

Photosynthesis And Respiration Essay - 453 Words | …

This process is called photosynthesis. Temperature, carbon dioxide concentration and light intensity are factors that can limit the rate of photosynthesis.

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