A. A molecule of glucose that you eat can eventually be transformed into part of

Question

A. A molecule of glucose that you eat can eventually be transformed into part of a fatty acid that you store. Circle the pathways/cycles below that are part of this overall flow of carbon atoms. Cross out any that are not.

citric acid cycle, glycolysis, urea cycle, fatty acid synthesis

B. Trace the metabolic path of this glucose molecule through the enzymes it encounters along the way to being made into fat. Write all the enzymes in the list below into the proper places in the figure below. If the enzyme is not used, write its name in the “not used” box. If it is used, write the enzyme in the order that the carbon atoms from glucose encounter the enzymes.

Pyruvate dehydrogenase, fumarase, aldolase, lactate dehydrogenase, pyruvate kinase, acetyl CoA carboxylase, fatty acid synthase, hexokinase, carnitine acyltransferase, ATP synthase

Explanation / Answer

(a) Through the process of glucolysis glucose is converted into pyruvic acid which is then converted into acetyl Co.A This acetyl Co.A is converted into fatty acid by enzyme y acid synthase.

(b) Hexokinase,aldolase,Lactate dehydrogenase,pyruvate dehydrogenase,acetyl CoA,.fatty acid synthase,fumarase,ATP synthase,pyruvate kinase(not used),carboxylase(not used),carnitine acyltransferase(not used)

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