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How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed?
The heat content of the reaction in photosynthesis where a glucose molecule is formed is endothermic, meaning energy is absorbed. This is because sunlight is absorbed during the light-dependent reactions to produce ATP and NADPH, which are then used in the light-independent reactions to form glucose. Overall, photosynthesis is an energy-storing process.
What happens to a photon when it hits a leaf?
When a photon hits a leaf, it may be absorbed by chlorophyll molecules, which are specialized pigments that can capture the energy of the photon and initiate photosynthesis. This absorbed energy is then used to drive chemical reactions that convert carbon dioxide and water into glucose and oxygen.
Is the energy absorbed or released during the process in photosynthesis?
Energy is absorbed during photosynthesis to convert carbon dioxide and water into glucose and oxygen. This process requires energy from sunlight to drive the chemical reactions that produce glucose as a source of energy for the plant.
Does the type of light affect photosynthesis?
Yes, the type of light does affect photosynthesis. Different wavelengths of light can impact the rate of photosynthesis in plants. Blue and red light are most effective for photosynthesis, while green light is less effective because it is reflected rather than absorbed by plants.
What two processes have to occur for photosynthesis to take place?
Photosynthesis requires two processes to occur: light reactions and dark reactions. During light reactions, light energy is absorbed by chlorophyll in the chloroplasts, which converts it into chemical energy in the form of ATP and NADPH. These energy-carrying molecules are then used in the dark reactions, where carbon dioxide is fixed and converted into glucose through the Calvin cycle.
Color of light absorb in the light reactions of photosynthesis?
Red and blue are absorbed, green is reflected.
What wavelength of visible light is of least value in photosynthesis?
Green (~510nm) which is reflected by the plant and not absorbed at all
What color is not absorbed by chloroplast?
Green is not absorbed by chloroplasts, which is why plants appear green in color as the green light is reflected back to our eyes. This is due to chlorophyll, the pigment responsible for capturing light energy for photosynthesis.
What steps of the light reactions is sunlight absorbed?
Sunlight is absorbed during the light reactions of photosynthesis primarily in the chlorophyll molecules located in the thylakoid membranes of chloroplasts. This absorption occurs in two main photosystems: Photosystem II (PSII) and Photosystem I (PSI). In PSII, light energy excites electrons, which initiates a series of reactions that ultimately lead to the splitting of water molecules and the release of oxygen. In PSI, absorbed light further energizes electrons to help produce NADPH, a crucial energy carrier in the process.
What is solar energy absorbed by chlorolphyllNecessary for photosynthesis?
Solar energy absorbed by chlorophyll is essential for photosynthesis as it drives the conversion of light energy into chemical energy. Chlorophyll, the green pigment in plants, captures sunlight, which energizes electrons and initiates a series of reactions that convert carbon dioxide and water into glucose and oxygen. This process not only provides energy for the plant but also contributes to the oxygen content of the atmosphere, supporting life on Earth.
What are two things that happen to light when it strikes a leaf?
Light is either absorbed or reflected when it strikes a leaf. Absorbed light is converted into chemical energy through the process of photosynthesis, while reflected light is what gives the leaf its color.
What happens to sunlight that strike a leaf but is not trapped by photosynthesis?
The sunlight that strikes a leaf but is not trapped by photosynthesis is reflected back by the leaf. Only certain wavelengths of solar energy is absorbed by a leaf.
What do the pigments in leaves do for photosynthesis?
The pigments do nothing, leaf color is just the part of the light spectrum that isn't absorbed, but reflected.
Is blue light absorbed or reflected by a green leaf?
Green leaves appear green because they absorb most colors of light in the visible spectrum, except for green light which is reflected. Blue light is absorbed by the chlorophyll in the leaf, contributing to the process of photosynthesis.
What is carbon dioxide naturally absorbed and stored in?
Carbon dioxide is naturally absorbed (through photosynthesis) and stored in trees and vegetation. It is also absorbed and stored in the oceans.
How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed?
The heat content of the reaction in photosynthesis where a glucose molecule is formed is endothermic, meaning energy is absorbed. This is because sunlight is absorbed during the light-dependent reactions to produce ATP and NADPH, which are then used in the light-independent reactions to form glucose. Overall, photosynthesis is an energy-storing process.
What happens to a photon when it hits a leaf?
When a photon hits a leaf, it may be absorbed by chlorophyll molecules, which are specialized pigments that can capture the energy of the photon and initiate photosynthesis. This absorbed energy is then used to drive chemical reactions that convert carbon dioxide and water into glucose and oxygen.
