Exam 10: Photosynthesis

In metabolic processes of cell respiration and photosynthesis,what do the prosthetic groups such as heme and iron-sulphur complexes in components of the electron transport chain do?

Halobacterium has a photosynthetic membrane that is coloured purple.Its photosynthetic action spectrum is exactly complementary (opposite to)the action spectrum for green plants.What wavelengths of light do the Halobacterium photosynthetic pigments absorb?

Use the following figure to answer the questions below. -Referring to the figure above,oxygen would inhibit the CO₂ fixation reactions in

When pigments in an excited state relax back to ground state,they

Where does photosynthesis occur in plants?

Use the following information to answer the questions below. Theodor W.Engelmann illuminated a filament of algae with light that passed through a prism,thus exposing different segments of algae to different wavelengths of light.He added aerobic bacteria and then noted in which areas the bacteria congregated.He noted that the largest groups were found in the areas illuminated by the red and blue light. -What did Engelmann conclude about the congregation of bacteria in the red and blue areas?

How is photosynthesis similar in C₄ plants and CAM plants?

Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?

Generation of proton gradients across membranes occurs during

As electrons are passed through the system of electron carriers associated with photosystem II,they lose energy.What happens to this energy?

Which of the following best describes decomposers?

Where does the Calvin cycle take place?

Which of the following sequences correctly represents the flow of electrons during photosynthesis?

Reactions that require CO₂ take place in

Where is the Calvin cycle located in a C₄ plant?

Use the following information to answer the questions below. You have learned about research conducted during the 1930s by van Niel,who studied photosynthesis in bacteria,which were observed to not release O₂ even though they fixed CO₂. -From his experiments,van Niel concluded that

In chloroplasts,chemiosmosis translocates protons from

Where do the oxygen molecules come from in the O₂ produced by photosynthesis?

It is a particularly hot,dry summer.The town has banned excessive water use and so you cannot water your lawn.After a few weeks the grass has gone brown,except a few patches where the grass seems to be doing fine.You notice that this grass has a broader leaf and is not the same species as most of your lawn.You conclude that this grass is a

In C₃ photosynthesis,the reactions that require ATP take place in