Physiology and Biochemistry-Chemiosmotic Theory [IFS (Forests Services) Botany (Mains)]: Questions 1 - 2 of 2

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Question number: 1

» Physiology and Biochemistry » Chemiosmotic Theory

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

Describe the process explained by chemiosmotic theory. (Paper 2, Section B)

Explanation

Chemiosmosis is the process by which chemical ions move from an area of high concentration to an area of low concentration across a selectively permeable membrane.

  • Chemiosmosis is the process by which ATP, or adenosine triphosphate, is synthesized.

  • The chemiosmotic hypothesis was proposed by Peter D. Mitchell in 1961. In 1978 the chemist was awarded

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Question number: 2

» Physiology and Biochemistry » Chemiosmotic Theory

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

Describe the process explained by chemiosmosis theory. (Paper 2)

Explanation

  • Chemiosmosis hypothesis put forward to explain the mechanism of ATP synthesis in the chloroplast.

  • In photosynthesis ATP synthesis is linked to development of a proton gradient across a membrane (these membrane of the thylakoid)

  • The processes that take place during the activation of electrons and their transport cause a proton gradient to develop

  • Since

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