#Question id: 986
#Unit 1. Molecules and their Interaction Relevant to Biology
Inhibition of ATCase by a ________ nucleotide and activation of ATCase by a ________ nucleotide keep the balance of purine and pyrimidine pools in E. coli.
#Question id: 987
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is not a direct precursor of pyrimidines in their de novo biosynthesis?
#Question id: 988
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is the precursor of all pyrimidine ribo- and deoxyribonucleotides?
#Question id: 989
#Unit 1. Molecules and their Interaction Relevant to Biology
Which catalytic site is not contained in the eukaryotic multifunctional protein dihydroorotate synthase?
#Question id: 990
#Unit 1. Molecules and their Interaction Relevant to Biology
Carbamoyl phosphate synthetase I is located in the ________ in eukaryotes and uses ________ as a nitrogen source.
#Question id: 991
#Unit 1. Molecules and their Interaction Relevant to Biology
The conversion of UTP to CTP involves ________.