Absorption of photons by the light capturing center is not directly coupled with evolving of oxygen from water.O TrueFalse

The plant, which is a multicellular eukaryotic organism, performs photosynthesis. Plants, which…

Answered: Absorption of photons by the light…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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To further investigate the cellular response in photoreceptor cells, we will now look at the actual effect of cGMP within the phototransduction pathway. Again, we will compare what happens in the dark and in the presence of light to understand how an electric signal is generated in either condition. Comparing both conditions (in the dark or under the light), researchers have measured the molar concentration of cytosolic CGMP and recorded the membrane potential of rod cells by placing micro- electrodes on either side of their plasma membrane (see figure below). • A negative membrane potential means that there are more negatively charged ions inside the cell compared to outside the cell, or equivalently, that there are less positively charged ions inside the cell compared to outside the cell. • A positive membrane potential means that there are more negatively charged ions outside the cell compared to inside the cell, or equivalently, that there are less positively charged ions outside…
(a) Distinguish between photodissociation and photoionization.(b) Use the energy requirements of these two processesto explain why photodissociation of oxygen is moreimportant than photoionization of oxygen at altitudesbelow about 90 km.
Dark reaction of photosynthesis does not need light. Do plants undergo darkreaction at night explain.
Aquatic plants struggle to photosynthesize a extreme depths because of the wavelengths of light required for photosynthesis are by the water column. O Reflected O Attenuated O Amplified O Transmitted
Calculate the gross rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from the initial level in 10 min, and when measuring cellular respiration it took 15 minutes for the water level to move down 1 mm. 48 mm/hr 42 mm/hr 46 mm/hr 38 mm/hr 50 mm/hr 30 mm/hr
Without this molecule to block oxygen from entering the mitochondria, the firefly would not be able to emit light .
29
If you increase the intensity of light, the amount of photosynthesis decreases. O True O False
In detail explain the absorption of light ener
Amination occurs in mitochondria in photorespiration Select one: O True O False
Where does carbon dioxide fixation take place in the cellwith reference to the light-dependent reaction?
When running cycle photophosphorylation and passaging electrons from PSI to two fully reduced PQH2s, how many photons would be necessary for the electrons to complete one cycle?

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Absorption of photons by the light capturing center is not directly coupled with evolving of oxygen from water. O True O False