Up Until the 1930s It Was Assumed That the Carbohydrates

question 26

Essay

Up until the 1930s it was assumed that the carbohydrates plants produced resulted from the combination of carbon atoms with water,and the oxygen released came from the splitting of the carbon dioxide molecule.You are a scientist testing this hypothesis.You have available to you water labeled with radioactive oxygen atoms and carbon dioxide labeled with radioactive oxygen atoms.Design an experiment to determine whether the oxygen produced during photosynthesis comes from the splitting of carbon dioxide or the splitting of water.

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Definitions:

Tuna Fish Sandwiches

A type of sandwich made typically from canned tuna mixed with mayonnaise and other ingredients.

Inferior Goods

Goods for which demand decreases as the income of the consumer increases, inversely related to that of 'normal goods'.

Quantity Demanded

The sum total of a good or service consumers are ready and able to buy at a certain price point.

Movement Along

Describes the change in quantity demanded or supplied of a good in response to a change in price, as shown on a graph.