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carbon dioxide enters the stroma of the chloroplast where it binds to RuBP (a 5 carbon compound) to form an unstable 6 carbon compound which immediataly breaks down to form 2 GP (glycerate 3-phosphate). Some of the ATP and NADPH from the light dependant reaction are used to convert GP into TP (glyceraldehyde 3-phosphate). The NADPH is reduced to NADP which is returned to the light dependant reaction.
pairs of the TP compounds are joined to form hexose sugar which is then polymerized to form starch which is stored by the plant.
it is important to note that not all of the TP is used to form hexose.
of the 12 TP formed, 10 TP is returned to join with RuP in the cell to regenerate RuBP to continue the cycle (this is where the rest of ATP is used)
What else can I help you with?
A place where dark reactions occur?
Dark reactions of photosynthesis, such as the Calvin cycle, occur in the stroma of chloroplasts. During these reactions, carbon dioxide is converted into glucose using energy stored in ATP and NADPH molecules produced during the light reactions.
What cycle is also called the dark reaction in photosynthesis?
The cycle that is also called the dark reaction in photosynthesis is the Calvin cycle. This process occurs in the stroma of chloroplasts and involves the fixation of carbon dioxide into glucose molecules using energy from ATP and NADPH produced in the light-dependent reactions.
True or false The light reactions of photosynthesis can occur only under light conditions and the dark reactions can occur only during the dark hours?
False. The light reactions of photosynthesis require light to convert solar energy into chemical energy, while the dark reactions (Calvin cycle) do not directly rely on light and can occur in both light and dark conditions. However, the dark reactions are indirectly dependent on the products of the light reactions.
What two types of reactions occur during photosynthesis?
The two reactions which occur during photosynthesis are light reaction and dark reaction. Light reaction takes place only in the presence of light. Dark reaction can occur with or without light.
Products of the light reactions of photosynthesis that are required by the dark reactions are?
The products of the light reactions of photosynthesis that are required by the dark reactions include ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate). These molecules carry energy and reducing power to drive the chemical reactions of the Calvin cycle in the dark reactions.
A place where dark reactions occur?
Dark reactions of photosynthesis, such as the Calvin cycle, occur in the stroma of chloroplasts. During these reactions, carbon dioxide is converted into glucose using energy stored in ATP and NADPH molecules produced during the light reactions.
Do the of photosynthesis ocdark reactions cur only at night?
No, the dark reactions of photosynthesis (Calvin cycle) can occur during the day as well. These reactions do not require light directly, but they depend on the products of the light reactions to proceed. The dark reactions convert CO2 into glucose using ATP and NADPH generated during the light reactions.
What cycle is also called the dark reaction in photosynthesis?
The cycle that is also called the dark reaction in photosynthesis is the Calvin cycle. This process occurs in the stroma of chloroplasts and involves the fixation of carbon dioxide into glucose molecules using energy from ATP and NADPH produced in the light-dependent reactions.
What is a place where dark reactions occur during photosynthesis called?
stroma
What is the role of energy in photosynthesis?
The energy formed in the light reactions of photosynthesis is used to convert carbon dioxide into glucose during the Calvin cycle (dark reactions).
During the dark reactions the reaction center splits water?
During the dark reactions (Calvin cycle) of photosynthesis, water is not split. Instead, the dark reactions use the products of the light reactions (ATP and NADPH) to convert carbon dioxide into glucose through a series of enzyme-controlled reactions. The splitting of water occurs in the light reactions at Photosystem II to generate oxygen, electrons, and protons.
What is wrong in saying that dark reaction of photosynthesis occurs at night?
The so-called "dark reactions" are those that occur independently of the absorption of sunlight, but only when the "light reactions" are providing the molecules required. This only occurs when there is sunlight available.
What happens during each each of the two stages of photosynthesis?
These stages are called the light reactions and the dark reactions. The light reactions take place in the presence of of light. The dark reactions do not require direct light, however dark reactions in most plants occur during the day.
What molecules produced during the light reaction of photosynthesis are needed to carry out dark reactions?
ATP and NADPH
True or false The light reactions of photosynthesis can occur only under light conditions and the dark reactions can occur only during the dark hours?
False. The light reactions of photosynthesis require light to convert solar energy into chemical energy, while the dark reactions (Calvin cycle) do not directly rely on light and can occur in both light and dark conditions. However, the dark reactions are indirectly dependent on the products of the light reactions.
What is the main overall product of the dark reactions of photosynthesis?
The main overall product of the dark reactions of photosynthesis is glucose. These reactions, also known as the Calvin cycle, use the energy from ATP and NADPH produced during the light reactions to convert carbon dioxide into glucose through a series of chemical reactions.
What two types of reactions occur during photosynthesis?
The two reactions which occur during photosynthesis are light reaction and dark reaction. Light reaction takes place only in the presence of light. Dark reaction can occur with or without light.
