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Light phase: The source of energy is sunlight, which is captured by chlorophyll in plants during photosynthesis to convert carbon dioxide and water into glucose and oxygen. Dark phase: The source of energy comes from the ATP and NADPH molecules produced during the light phase of photosynthesis, which are used to fuel the Calvin cycle where carbon dioxide is converted into glucose.
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Can dark matter be harnessed as an energy source?
Currently, dark matter cannot be harnessed as an energy source because it does not interact with light or other forms of electromagnetic radiation. Scientists are still studying dark matter to understand its properties and potential uses in the future.
What substances absorb energy from an outside source and then emit some of it as visable light even after the source is removed?
Phosphorescent materials are substances that can absorb energy from an outside source (such as light or heat) and then emit some of that energy as visible light even after the source is removed. This delayed emission of light distinguishes phosphorescence from fluorescence, which emits light instantaneously upon excitation. Examples of phosphorescent materials include certain types of glow-in-the-dark products and paint.
Does glucose have chemical energy or light energy?
Glucose contains chemical energy which is released when it is broken down during cellular respiration to produce ATP. Light energy is not stored in glucose.
Why do light waves with the same wavelength and constant phase difference interfere with eacher to produce light and dark interface patterns?
If their phase difference is constant, then they don't produce light and dark patterns. Light spots are produced where the two sources are in phase, and dark spots where they're out of phase.
Is a dark light bulb starting to glow a conversion from chemical energy to mechanical?
No, the process of a dark light bulb starting to glow is a conversion from electrical energy to light energy. The electricity flowing through the filament of the light bulb generates heat and light, causing it to glow. Chemical energy is not involved in this process.
What happens during dark reaction phase and light reaction phase in photosynthesis?
In the light reaction phase of photosynthesis, light energy is converted into chemical energy in the form of ATP and NADPH. These energy carriers are then used in the dark reaction phase, also known as the Calvin Cycle, to convert carbon dioxide into glucose. The dark reaction does not require direct light and takes place in the stroma of the chloroplast.
Does during dark phase does it need chlorophyll?
No, chlorophyll is not needed during the dark phase of photosynthesis. Chlorophyll is a pigment that absorbs light energy to drive the light-dependent reactions of photosynthesis, which only occur during the light phase. In the dark phase (or light-independent phase), known as the Calvin cycle, chemical reactions use ATP and NADPH produced during the light phase to convert carbon dioxide into glucose.
What can glow in dark without a energy source?
There is no energy transformation without energy source. It is that the energy source is not battery. Glow-sticks utilize a chemical energy to generate light so it had internal energy source. Phosphorescence or Glow in the dark stored light energy in the form of electron state and re-emitted the light later. Energy is stored in the molecule and thus its' molecule is the energy source.
Why dark phase is required after uv phase?
The dark phase following the UV phase in processes like photosynthesis is crucial because it allows for the conversion of energy captured during the UV phase into chemical energy. During the UV phase, light energy is absorbed and used to split water molecules, releasing oxygen and generating ATP and NADPH. The dark phase, or Calvin cycle, utilizes these energy carriers to fix carbon dioxide into glucose, facilitating the synthesis of organic molecules necessary for plant growth and energy storage. Thus, the dark phase ensures that the energy harvested is effectively utilized for metabolic processes.
Why is it necessary to call dark phase of photosynthesis as light independent phase?
there is a reason. it does not need light.
Can dark matter be harnessed as an energy source?
Currently, dark matter cannot be harnessed as an energy source because it does not interact with light or other forms of electromagnetic radiation. Scientists are still studying dark matter to understand its properties and potential uses in the future.
What is the light dependent phase?
The "light dependent phase" or "light-dependent reaction" is a phase in photosynthesis in which light is absorbed by the photosystems (PS I and PS II) in the thylakoid membranes and electrons flow through the electron transport chains.
Is a glow in the dark ball luminous or illuminated?
A glow in the dark ball is considered luminescent because it emits light through a chemical reaction or energy absorption rather than being illuminated by an external light source.
If light is energy then what about dark is it also energy?
Dark is the absence of light. Dark is nothing itself other than the absence of light.
Light independent phase?
It is called the dark combining.
What are the two faces of photosynthesis?
light face and dark face.Actually it is phase not face. They are light reaction and dark reatcion
Why the leaves of plant kept in dark do not produce starch?
A leaf needs light energy to photosynthesise. The way it can obtain this energy is from a light source, and the dark has no light sources-so the leaf cannot obtain light energy, it cannot photosynthesise. This process involves producing starch (as glucose is made, then converted into starch) and so no photosynthesis=no starch.
