prototrophy

名词 n.
中文释义

英文释义

名词 n.
  1. The condition of being a prototroph uncountable,usually
    — Spontaneous mutations in bacteria are generally reversible. Consequently, in a medium where prototrophy confers no selective advantage, various auxotrophs (and other mutant types) should accumulate until for each type the number is such that the loss- by mutation to prototrophy should equal the gain by mutation to the corresponding auxotrophic condition.

词形变化

prototrophies plural
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