Studies on feeding condition of guanosine fermentation .
鸟嘌呤核苷补料发酵条件研究。
Effects of hypoxanthine feeding on guanosine fermentation such as cell concentration , ph , residual sugar and guanosine yield were studied on the basis of the exploration of the best hypoxanthine feeding way .
Occurs in rna , thymine in dna , and adenine , guanine , and cytosine in both , as part of the nucleosides uridine , deoxythymidine , adenosine or deoxyadenosine , guanosine or deoxyguanosine , and cytidine or deoxycytidine .
