As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of

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#Question id: 941

#XL - P Chemistry

Which of the following is an amide-containing amino acid?

TLS Online TPP Program

#Question id: 942

#XL - Q Biochemistry

 a-ketoglutarate is a precursor for each of the following, except

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#Question id: 942

#XL - P Chemistry

 a-ketoglutarate is a precursor for each of the following, except

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#Question id: 943

#XL - Q Biochemistry

An amino acid formed by transamination of a citric acid cycle intermediate is ________.

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#Question id: 944

#XL - Q Biochemistry

Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase, ________ cannot synthesize lysine, methionine or threonine.

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#Question id: 945

#XL - Q Biochemistry

A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.