Question

What does the "dark" reaction of photosynthesis receive from the "light" reaction?

Answer 1

Answer: During the dark reaction, which takes place in the stroma of the chloroplasts, the products of the light reaction are utilized. Specifically, ATP and NADPH (nicotinamide adenine dinucleotide phosphate) from the light reaction are used to convert carbon dioxide (CO2) into glucose through a series of enzyme-controlled reactions.

Overall, the dark reaction of photosynthesis receives ATP and NADPH from the light reaction, which are essential for the synthesis of glucose. This two-step process allows plants to convert light energy into chemical energy, providing them with the resources needed for growth and survival.

Step-by-step explanation:

Answer 2

The "dark" reactions of photosynthesis, or the light-independent reactions/Calvin cycle, receive ATP and NADPH from the light-dependent reactions. These molecules are crucial for synthesizing glucose from CO₂ during the Calvin cycle.

Step-by-step explanation:

What Does The "Dark" Reaction of Photosynthesis Receive from The "Light" Reaction?

The "dark" reactions, also known as the light-independent reactions or the Calvin cycle, receive energy in the form of ATP and NADPH from the light-dependent reactions of photosynthesis. These energy carriers are essential for the Calvin cycle to synthesize glucose from carbon dioxide (CO₂). The ATP and NADPH generated by the light reactions provide the necessary energy and electrons for chemical processes such as carbon fixation, which occurs in the stroma of the chloroplasts where CO₂ is reduced to carbohydrates.

It is important to clarify the misconception that "dark" reactions happen only in the dark or at night, which is not true. The term 'dark' can be misleading because these reactions are light-independent, meaning that they do not directly require light to occur but they do rely on the products of reactions that are light-dependent.