Skip to main content
Ch. 5 - Microbial Metabolism
Bauman - Microbiology with Diseases by Taxonomy 6th Edition
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302당신이 사용하는 게 아니라요?교과서 변경
5장, 문제 9

The use of a proton motive force to generate ATP is __________.

검증된 단계별 안내
1
Understand the concept of proton motive force (PMF): It is the force generated across a membrane due to a difference in proton (H+) concentration and electric potential, often created by the electron transport chain during cellular respiration or photosynthesis.
Recognize that the proton motive force drives protons back across the membrane through ATP synthase, a membrane-bound enzyme complex.
Identify the process where ATP synthase uses the energy from the flow of protons down their electrochemical gradient to catalyze the conversion of ADP and inorganic phosphate (Pi) into ATP.
Recall the specific term used to describe this process, which links the proton motive force to ATP synthesis.
Conclude that the use of a proton motive force to generate ATP is called "chemiosmosis."

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
2m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Proton Motive Force (PMF)

The proton motive force is an electrochemical gradient formed by the difference in proton concentration and electric charge across a membrane, typically the inner mitochondrial membrane or bacterial plasma membrane. It stores energy used to drive cellular processes such as ATP synthesis.
추천 영상:
04:17
Proton Motive Force Drives Flagellar Motility

ATP Synthase Function

ATP synthase is an enzyme complex that uses the energy from the flow of protons down their electrochemical gradient (PMF) to catalyze the conversion of ADP and inorganic phosphate into ATP, the cell’s main energy currency.
추천 영상:

Chemiosmosis

Chemiosmosis is the process by which the proton motive force drives the synthesis of ATP. Protons move through ATP synthase channels, coupling the energy released from this movement to the phosphorylation of ADP, linking electron transport to ATP production.
추천 영상:
05:01
Chemiosmosis