Match the names of scientists with their important contributions given under.

Question

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Answer 1

Peter Dennis Mitchell, was a British biochemist who was awarded the 1978 Nobel Prize in chemistry for his discovery of the chemiosmotic mechanism of ATP synthesis. Josiah Willard Gibbs was an American scientist who made important theoretical contributions to physics, chemistry and mathematics. Free energy concept in thermodynamics was given by him and thus known as Gibbs free energy. Daniel Israel Arnon was a Polish born American plant physiologist whose research led to greater insights into the operation of photosynthesis in plants. Melvin Ellis Calvin was an American chemist most famed for discovering the Calvin cycle along with Andrew Benson and James Bassham for which he was awarded the 1961 Nobel prize in Chemistry.

Answer 2

Peter Dennis Mitchell, was a British biochemist who was awarded the 1978 Nobel Prize in chemistry for his discovery of the chemiosmotic mechanism of ATP synthesis. Josiah Willard Gibbs was an American scientist who made important theoretical contributions to physics, chemistry and mathematics. Free energy concept in thermodynamics was given by him and thus known as Gibbs free energy. Daniel Israel Arnon was a Polish born American plant physiologist whose research led to greater insights into the operation of photosynthesis in plants. Melvin Ellis Calvin was an American chemist most famed for discovering the Calvin cycle along with Andrew Benson and James Bassham for which he was awarded the 1961 Nobel prize in Chemistry.

	List I		List II
A	P Mitchell	p	Pentose phosphate pathway
B	Warberg and Dickens	q	Chemiosmotic mechanism
C	EMP pathway	r	Embden-Meyerhof and Parnas
D	Anaerobic respiration	s	Pasteur
		t	Kostychev

Match the names of scientists with their important contributions given under.

Through the use of oxygen isotope 18 (heavy oxygen), scientists have found that the oxygen released during photosynthesis comes from molecules of

Isotopes used in the photosynthetic experiments by scientists were

Which one of the following is required both by the process of respiration and photosynthesis?