niversity-BIO 4167-Spring18-KUMARActivities and Due Dates ohydrate Synthesis in

Question

niversity-BIO 4167-Spring18-KUMARActivities and Due Dates ohydrate Synthesis in Plants 11/2018 11:59 PM ( 86.6/100 9 Time Remaining: 1 H 14 M Gradeb CalculatorPeriodic Table on 19 of 30 Map 4 Sapling Learning Cytochromes are critical participants in the electron transport chains used in photosynthesis and cellular respiration. How do cytochromes donate and accept electrons? rtcyronas s eoc crn ote nergy carier molecule NADP and donate the electrons o Everyorytoc hroe'sg heme group accepts electrons from oxygen and donates the directly to a less electronegative substance. electrons to the next cytochrome in the chain. The cytochromes donate electrons excited by photons to other cytochromes that electrons as replacements for lost electrons herme group located on each cytochrome accepts electrons and then donates the electrons to a more egative neighbor O Previous Give Up & View Solution Check Answer Next Ent Hint

Explanation / Answer

The fourth option is correct.

Every cytochrome has heme group. Initial cytochrome takes electron from qunimol and then transfers to other cytochromes. At the end the highly negative O2 molecule attracts the electron and makes a water molecule.

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