in excised pro ( 1-1 ) mutant and corresponding normal type roots of zea mays l. the uptake and interconversion of [ ( 14 ) c ] proline , [ ( 14 ) c ] glutamic acid , [ ( 14 ) c ] glutamine , and [ ( 14 ) c ] ornithine and their utilization for protein synthesis was measured with the intention of finding an explanation for the proline requirement of the mutant .
C0061472
glutamic acid
C0017797
glutamine