what is the phase of photosynthesis?
Answers
Answer:
Photosynthesis is the process by which plants make food using carbon dioxide, water and sunlight. Carbon dioxide enters the plant through small pores in its leaves, called stomata. Water travels to the leaves via veins in the plant after being absorbed by the roots. In the photosynthesis process, energy from sunlight is used to create glucose from CO2 and H2O.
Photosynthesis occurs in chloroplasts found in the leaves and green stems of plants. One leaf has tens of thousands of cells each of which has 40 to 50 chloroplasts. Each chloroplast is divided into many disk-shaped compartments called thylakoids, which are arranged vertically like a stack of pancakes. Each stack is called a granum (the plural is grana) which is suspended in a fluid called stroma. The light-dependent reactions occur in the grana; the light-independent reactions take place in the stroma of the chloroplasts
Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.