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What substance from the light-dependent reactions is a source of energy for the light-independent reactions of photosynthesis?
They are ATP and NADH. They are energy carrying molecules.
Is it true or false the second postulate of special relativity says that the speed of light in empty space depends on the motion of the source or of the observer?
False. The speed of light in empty space is a constant, independent of the motion of the source/observer. An observer travelling towards or away from a light source at 99% the speed of light would measure light going the same speed as an observer stationary relative to the light source.
What is the function of light- dependent reactions?
Build sugar
Is intense competition for a food source a density independent or density dependent?
density independent or density dependent?Intense Competitonn For A Food Source
What is light independent reaction?
The light-independent reactions, also known as the Calvin cycle, occur in the stroma of chloroplasts and involve the conversion of carbon dioxide into glucose through a series of enzyme-controlled steps. These reactions do not directly require light to occur but rely on the products of the light-dependent reactions, such as ATP and NADPH, for their energy source.
What happens in the 'dark reaction' of photosynthesis?
Photosynthesis happens in two main stages, called the light-dependent stage and the light-independent stage. The light-independent stage is sometimes called the 'dark' stage. The light-dependent stage can only happen in the light. During this stage light is absorbed and turned into chemical energy (ATP). Oxygen is also produced. The light-independent stage can happen in the light or the dark ie it is independent of light! However, it needs substances made in the light-dependent stage so it cannot happen completely by itself. In the light-independent stage the energy trapped as ATP in the light-dependent stage is used to change carbon dioxide into sugar (glucose). The Calvin cycle converts carbon dioxide to carbohydrate. CO2 --------> (CH2O) This process requires an energy source and a hydrogen source, as well as carbon dioxide. The energy source is ATP. The hydrogen source is NADPH. Both of these substances are produced by the light-dependent reactions. For more details search this site for "calvin cycle", "light dependent" and l"ight independent". See also: http://www.phschool.com/science/biology_place/biocoach/photosynth/calvin1.html
How are light dependent and independent reactions related?
The products of light-dependent reactions are used in light-independent reactions.
What are products of the light independent reactions?
The main purpose of the light independent reaction is to produce glucose.
An object that gives out light is it a light source or it is a light energy?
It is a light source.
What is a light source?
The Sun is a light source Something that makes light.
Is a computer screen a light source or a light reflector?
light source
Is a lightning a source of light?
It is certainly a source of light but it is not a practical, usable source.
