What is an electron transport chain?

Q: What is an electron transport chain?


A: An electron transport chain (ETC) is a process through which cells obtain energy from sunlight in photosynthesis and through reduction/oxidation ("redox") reactions, such as the oxidation of sugars in cellular respiration.

Q: What is the role of an electron transport chain in photosynthesis?


A: An electron transport chain (ETC) helps cells get energy from sunlight in photosynthesis.

Q: In which cell process does the conversion of glucose to ATP occur with the help of an electron transport chain?


A: The conversion of glucose to ATP occurs with the help of an electron transport chain in cellular respiration.

Q: How many molecules of ATP are produced by the electron transport chain in aerobic respiration?


A: In aerobic respiration, each molecule of glucose leads to about 34 molecules of ATP being produced by the electron transport chain.

Q: What is the most productive part of respiration?


A: The most productive part of respiration is the electron transport chain.

Q: What is the function of ATP in cells?


A: The function of ATP (Adenosine triphosphate) in cells is to provide energy for various cellular processes.

Q: What is the difference between aerobic and anaerobic respiration in terms of the presence of an electron transport chain?


A: Aerobic respiration involves the use of an electron transport chain, while most anaerobic respiration processes do not.

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