原生生物是靠不是细菌为生单细胞微生物，但是研究声称有时候细菌可以存活下来并且反噬原生生物。
Protozoa are unicellular microorganisms that feed on bacteria, and sometimes the bacteria survive and replicate within the protozoa, the study claims.
细菌基本上都是由有机化学物转化而来的单细胞微生物，所以我们为什么不把无机化学物培育成微生物，并允许他们进化呢？
Bacteria are essentially single-cell micro-organisms made from organic chemicals, so why can't we make micro-organisms from inorganic chemicals and allow them to evolve?
将DNA序列转移到微生物单细胞中，然后培养微生物，以产生大量DNA样本用以分析。
Cloning, molecular --- Transfer of a DNA sequence into a single cell of a microorganism, followed by culture of the microorganism to produce large quantities of the DNA sample for analysis.
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