Systemic Lupus Erythematosus 2023-lec.6

What is photosynthesis?

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

What are the primary products of photosynthesis?

The primary products of photosynthesis are glucose and oxygen.

Where does photosynthesis take place in plant cells?

Photosynthesis primarily takes place in the chloroplasts of plant cells.

What are the two main stages of photosynthesis?

The two main stages of photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin cycle).

What is the role of chlorophyll in photosynthesis?

Chlorophyll captures light energy, which is necessary for the process of photosynthesis.

What is the chemical equation for photosynthesis?

The chemical equation for photosynthesis is 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

What factors affect the rate of photosynthesis?

The rate of photosynthesis is affected by light intensity, carbon dioxide concentration, temperature, and water availability.

How do plants obtain carbon dioxide for photosynthesis?

Plants obtain carbon dioxide from the air through small openings called stomata.

What is the significance of photosynthesis in the ecosystem?

Photosynthesis is significant because it produces oxygen and organic compounds that are essential for life on Earth.

How do herbivores and carnivores rely on photosynthesis?

Herbivores eat plants that undergo photosynthesis, while carnivores depend on herbivores (or other animals) that have consumed those plants.

What is the process of cellular respiration?

Cellular respiration is the process by which cells convert glucose into energy (ATP) using oxygen.

What are the three main stages of cellular respiration?

The three main stages are glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation.

Where does glycolysis occur?

Glycolysis occurs in the cytoplasm of the cell.

What is the main product of glycolysis?

The main product of glycolysis is pyruvate, along with a small yield of ATP and NADH.

What happens during the citric acid cycle?

During the citric acid cycle, acetyl-CoA is broken down, releasing CO2 and transferring energy to NADH and FADH2.

Where does oxidative phosphorylation take place?

Oxidative phosphorylation takes place in the inner mitochondrial membrane.

What is the role of oxygen in cellular respiration?

Oxygen serves as the final electron acceptor in the electron transport chain, allowing for the production of ATP.

What are the net products of cellular respiration from one glucose molecule?

The net products are approximately 36-38 ATP molecules, 6 CO2, and 6 H2O.

How is ATP produced during cellular respiration?

ATP is produced through substrate-level phosphorylation and oxidative phosphorylation.

What is the importance of cellular respiration?

Cellular respiration is essential for providing energy to cells for growth, repair, and maintenance.