How would you differentiate light-dependent reaction and dark reactions of photosynthesis?*1 pointDark reaction is the first stage of photosynthesis while light reaction is the second stage.Light reaction traps light energy to produce ATP and NADPH whereas dark reaction utilizes the energy from ATP and NADPH to produce glucose.Dark reaction traps light energy to produce ATP and NADPH whereas light reaction utilizes the energy from ATP and NADPH to produce glucoseLight reaction occurs at daytime while dark reaction occurs at nighttime.

The differentiation between light-dependent reactions and dark reactions of photosynthesis can be explained as follows:

1. Order of occurrence: The light-dependent reactions, also known as light reactions, are the first stage of photosynthesis. These reactions occur when sunlight is available, hence the name. On the other hand, dark reactions, also known as the Calvin cycle, are the second stage of photosynthesis. Despite the name, dark reactions do not necessarily occur in the dark; they are simply not dependent on light.

2. Function: Light reactions trap light energy to produce ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are energy-rich compounds. These reactions occur in the thylakoid membranes of the chloroplasts in the plant cells. In contrast, dark reactions utilize the energy from ATP and NADPH, produced in the light reactions, to convert carbon dioxide into glucose. These reactions occur in the stroma of the chloroplasts.

3. Energy production and utilization: Light reactions convert light energy into chemical energy in the form of ATP and NADPH. These energy-rich compounds are then used in the dark reactions to produce glucose, a form of energy that can be used by the plant or stored for later use.

4. Timing: While light reactions only occur in the presence of light, dark reactions can occur at any time as long as the energy products from the light reactions (ATP and NADPH) are available. Therefore, it's not accurate to say that light reactions occur only in the daytime and dark reactions occur only at nighttime.

In summary, light reactions and dark reactions are two stages of photosynthesis that work together to convert light energy into a form of energy that can be used by the plant.