7. Please provide correct solution with detail. Thank you. Hydroxylamine is a ch

Question

7. Please provide correct solution with detail. Thank you. Hydroxylamine is a chloroplast Inhibitor that reacts specifically with the cytochromo-bf complex. Which, if any, of the following reactions could occur continuously in the presence of hydroxylamlno and light? ATP synthesis by photophosphorylation NADP+ reduction electron transport in chloroplasts carbon fixation None of the above reactions would occur The accumulation of froe oxygen in Earth's atmosphore began with the origin of life and respfatory metabolism with the origin of photosynthetic bacteria that had only photosystem I with the origin of cyanobacteria that had both photosystem I and photosystem II with the origin of land plants with the first Bio 1A class ever taught In C3 photosynthesis, the reactions that require ATP take place in the light reactions alone the Calvin cycle alone both the light reactions and the Calvin cycle neither the light reactions nor the Calvin cycle the chloroplast, but is not part of photosynthesis If Delta G degree = -9.000 kJ/mol for the complete oxidation of a 16-carbon fatty acid that yields 100 ATP molecules during cellular respiration, what percentage of this energy is NOT captured (wasted as heat)? For a newly evolving protist, what would be the advantage of using eukaryote-like cell division rather than binary fission? Binary fission would not allow for the formation of new organisms Cell division would allow for the orderly and efficient segregation of multiple linear chromosomes Cell division would be faster than binary fission. Cell division allows for lower rates of error per chromosome replication Binary fission would not allow the organism to have complex cells A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus. How many picograms would be found at the end of S and the end of G2? Why is the absorption spectrum of chlorophyll a not Identical to the action spectrum of photosynthesis? Accessory pigments contribute energy to drive photosynthesis Chlorophyll a absorbs both red and blue light Different wavelengths of light have different energies Chlorophyll a can be inactivated by absorbing a photon of light Chlorophyl a reflects green light Chromatin first condenses to form visible chromosomes during G1 during telophase during S during prophase at the end of cytokinesis

Explanation / Answer

43) E)

The reaction that mainly takes place in the presence of both is the bleaching reaction by the light-driven proton pump bacteriorhodopsin

44) C)

Evidence suggests that cyanobacteria was the first oxygen producing bacteria and contained photisystem I and II both.

45) B)

Calvin cycle is the main cycle where reactions requiring ATP take place.

46) A)

This is the least amount of wasted energy that is mentioned.

47) B)

Orderly segregation of chromosomes would allow for the protist to evolve efficiently.

48) D)

At the end of S and G1 phase the amount of DNA is just double because it has to be divided equally into two daughter cells by the end of mitosis.

49) A)

These accessory pigments absorb blue light and thus play a role in the process.

50) D)

The condensation reaction causes the chromatin to condense in the first phase of cycle i.e. prophase.

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