1、This bacterial strain is an auxotroph for amino acids, requiring them to be provided in the growth medium.
这种细菌株对氨基酸是辅助营养物质,需要在培养基中提供。
2、Mutations in the gene responsible for synthesis of a particular enzyme can result in an auxotroph phenotype.
负责合成特定酶的基因突变可以导致辅助生物表型。
SHOW FULL COLUMNS FROM `tool_word` [ RunTime:0.001147s ]
SELECT `id`,`word`,`british`,`american`,`jbjs`,`wlsy`,`cx`,`lz` FROM `tool_word` WHERE `switch` = 1 AND `id` = 7177 LIMIT 1 [ RunTime:0.001880s ]
UPDATE `tool_word` SET `views` = `views` + 1 WHERE `id` = 7177 [ RunTime:0.006935s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` IN (32716,23595,75948,77126,95150,70123,1797,62128,68515,88734,62645,101768,19322,94961,98070,28357,54246,61125,6089,39282,11272,82538,14933,72436,3827,68896,44894,60357,20572,74426) AND `switch` = 1 ORDER BY `id` DESC [ RunTime:0.012044s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` < 7177 AND `switch` = 1 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000658s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` > 7177 AND `switch` = 1 ORDER BY `id` LIMIT 1 [ RunTime:0.000692s ]