Write the balanced equation for photosynthesis?
What is the main source of light for photosynthesis?
During photosynthesis water molecules are split into three products - Leaving Cert Biology - Question a - 2009
Question a
Write the balanced equation for photosynthesis?
What is the main source of light for photosynthesis?
During photosynthesis water molecules are split into three produ... show full transcript
Worked Solution & Example Answer:Write the balanced equation for photosynthesis?
What is the main source of light for photosynthesis?
During photosynthesis water molecules are split into three products - Leaving Cert Biology - Question a - 2009
Step 1
(i) Write the balanced equation for photosynthesis.
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Answer
The balanced equation for photosynthesis is:
ightarrow C_6H_{12}O_6 + 6 O_2$$
This equation shows that six molecules of carbon dioxide react with six molecules of water, using light energy, to produce one molecule of glucose and six molecules of oxygen.
Step 2
(ii) What is the main source of light for photosynthesis?
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Answer
The main source of light for photosynthesis is the sun. It provides the energy required to drive the photosynthetic reactions in plants.
Step 3
(iii) During photosynthesis water molecules are split into three products. Name each of those products.
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Answer
During photosynthesis, water molecules are split into three products:
Electrons
Protons (H ions)
Oxygen
Step 4
(iv) Describe what happens to each of the products referred to in (iii).
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Electrons: The electrons are transferred to chlorophyll, which uses them as part of the energy conversion process in photosynthesis, contributing to the formation of ATP.
Protons (H ions): The protons participate in the proton gradient generation and are utilized in the Calvin cycle (Dark Stage) to synthesize glucose.
Oxygen: The oxygen produced during photosynthesis is either released into the atmosphere or used in cellular respiration.
Step 5
(v) Name the structures in which photosynthesis occurs in plant cells.
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Answer
Photosynthesis occurs in chloroplasts, which are specialized organelles in plant cells that contain the necessary pigments and enzymes for the photosynthetic process.
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