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DPIP substitutes for electron acceptor

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What effect would adding more DPIP to each experimental tube have on these results?

Adding more DPIP to each experimental tube would likely result in a faster rate of color change or a more pronounced color change in the experiment. DPIP is a redox indicator that changes color as it accepts electrons during the photosynthetic process. Increasing the amount of DPIP can make the color change more noticeable due to a higher concentration of the indicator molecule being reduced.


What is the daughter nucleus produced when 195 Au undergoes electron capture?

When 195Au undergoes electron capture, a proton in the nucleus is converted into a neutron. This results in the production of 195Pt as the daughter nucleus.


What is electron capture?

Simply put, electron capture is a nuclear change that an atom might undergo when there are "too many" protons in its nucleus. This atom is unstable, and an electron from an inner orbit will actually be "pulled into" the nucleus. Once there, the electron will "combine" with a proton, and the proton will be transformed into a neutron. This will result in the formation of a new element as a result of the nuclear transformation.


How do positron emission and electron capture change an atom?

Positron emission results in the atom losing a proton, transforming the atom into a different element with a lower atomic number. Electron capture involves the atom gaining a proton, resulting in the transformation of the atom into a different element with a higher atomic number. Both processes lead to the formation of a more stable nucleus by adjusting the ratio of protons and neutrons.


Explain why DPIP changes from blue to colorless?

It happens due to redox reactions. Oxidized DCPIP is blue, while reduced DCPIP is colorless. More specifically theres a Nitrogen atom joining two benzyl groups, that, when reduced, changes a double bond to a single bond, forcing several carbon bonds in the entire left benzyl ring to change conformation. This makes the molecule reflect light differently and accounts for the change in color perceived.

Related Questions

What role DPIP plays photosynthesis?

DPIP (2,6-dichlorophenolindophenol) is used as an artificial electron acceptor in laboratory experiments to measure the rate of photosynthesis. It acts as an electron carrier, accepting electrons from photosystem I in the light reactions of photosynthesis. By monitoring the reduction of DPIP from blue to colorless, researchers can quantify the rate of electron transfer and ultimately the rate of photosynthesis.


What is the source of electrons that will reduce DPIP?

The source of electrons that will reduce DPIP is usually a plant extract or isolated chloroplasts. In the process of photosynthesis, electrons are transferred from water to DPIP through the photosynthetic electron transport chain, leading to the reduction of DPIP.


What is the function of DPIP in this experiment?

Is this an AP lab?The DPIP replaces NADP+.In photosynthesis, NADP is reduced to NADPH, but NADP is colorless.DPIP replaces the NADP. When DPIP is reduced, it changes from blue to clear. DPIP is used to show photosynthesis taking place.


What is the effect of darkness on the reduction of DPIP Explain?

Darkness means no reduction. NADP is in light reactions - DPIP is electron acceptor susbstitute for NADP... if NADP does not react in darkness (plants dont react at night and do not undergo photosynthesis) then neither should DPIP


What is emitted by an atom as a result of electron capture?

After electron capture a neutrino is released.


What does DPIP stand for?

If you are referring to the "Plant Pigments and Photosynthesis" Lab Then, the DPIP is used to substitute NADP+. In photosynthesis, electrons are normally transferred to NADP+. However, DPIP will take its place in this experiment. DPIP is normally blue. When it is reduced, or gains electrons, it will turn colorless. DPIP is used to show that photosynthesis is taking place.


Why wasn't dpip added to cuvette 1?

Because it was the control. Note how all other cuvettes had DPIP. We did not really know what dpip's effect on the % light transmittance was, by adding a ontrol, we could not compare and contrast.


Are boiled chloroplasts able to reduce DPIP?

Boiling chloroplasts prevents the DPIP from being reduced because the enzymes for photosynthesis are no longer present in the chloroplasts. DPIP is reduced from blue to colorless when light strikes the chloroplasts and the electrons are boosted to a higher energy level. Since photosynthesis cannot be performed by the denatured chloroplasts, the DPIP cannot be reduced.


What Is geological electron capture?

Electron capture occurs when an electron from the innermost orbital of an atom is captured by a nucleus, which leads to the conversion of a proton into a neutron.


What is a proton in the nucleus converted into what during electron capture?

During electron capture, an electron and proton combine and are converted to a neutron.


How does electron capture generate X-rays?

The capture creates a "hole", or missing electron, that is filled by a higher energy electron that emits X-rays.


How do you know that the electrons causing the change in color of dpip are involved in the succinate fumarate step?

In the succinate-fumarate step, electrons are transferred from succinate to FAD to form FADH2, which eventually reduces quinone to quinol. This reduction reaction leads to a color change in DPIP, indicating the transfer of electrons from succinate to the electron transport chain.