8. The largest number of amino acids are derived from which pathway (in mammals)

Question

8. The largest number of amino acids are derived from which pathway (in mammals)? a. Krebs b. cytochrome system c. Calvin cycle d. Glycolysis 9. NADPH is mainly used for (metabolism): a. énergy production b. making FADH c. biosynthesis d. photosynthesis 1 An enzyme system is saturated due to a high concentration of a toxic substance. This would result in? a. low concentration of toxic intermediate b. high concentration of toxic intermediates c. a normal rate of metabolism d. a rapid excretion of this toxic substance e. storage of the toxins in the liver, in a mammal

Explanation / Answer

Krebs cycle. 10 amino acids are synthesized by alpha ketoglutarate and oxaloacetate, krebs cycle intermediate.

Biosynthesis. NADPH is used in lipid biosynthesis, nucleic acid synthesis

low concentration of toxic intermediates. as the enzyme becomes sturated the reaction rate level off

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