Only prokaryotes, such as bacteria, lack lysosomes.
只有细菌这样的原核生物才没有溶酶体。
Antimicrobial peptides are found both in prokaryotes and eukaryotes.
抗菌肽在原核生物与真核生物中都存在。
The fidelity of DNA replication in prokaryotes is discussed in this paper.
本文概述了促成原核生物DNA复制准确性的因素。
The collective biological mass of prokaryotes is at least ten times that of all eukaryotes.
原核生物集体生物大量是所有真核至少的十次。
It is well known that the processes of transcription and translation are coupled in prokaryotes.
原核生物转录与翻译过程是耦联的。
Theory that introns were introduced into eukaryotes after the lineage separated from prokaryotes.
认为内含子是真核生物在与原核生物进化谱系分开以后才开始有的理论。
The two component system is a signal transduction pathway in both of the prokaryotes and eukaryotes.
双组分系统是广泛存在于原核和真核细胞中的信号转导系统。
Theory that introns were present in early life forms and were retained by eukaryotes, but lost by prokaryotes.
认为内含子在早期生命形式中即存在并被真核生物保留而被原核生物丢失的理论。
Furthermore, it summarizes the search results organism-wise for prokaryotes and chromosome-wise for eukaryotes.
此外，它总结了搜索原核生物的生物体方面和真核生物的染色体方面的结果。
Should we not have matured beyond that after four billion years of slow evolution from simple-celled prokaryotes to homo sapiens?
我们经过了40亿年从简单的单细胞慢慢进化成高级的现代智能人类，难道我们仍然无法超越被物质摆布的漩涡？
Although prokaryotes are a constant presence in our environment, we hear most about the relatively few species that cause illnesses.
虽然原核生物是恒定的存在我们的环境里，我们听见导致病症的多数关于相对地少量种类。
Horizontal gene transfer is the gene exchange between different organisms or different organelles, which occurs frequently in prokaryotes.
基因水平转移是不同物种之间或细胞器间基因的交流。
The circadian clock genes, which generate circadian rhythms and maintain its the running, exist in organisms ranging from prokaryotes to mammals.
生物钟基因普遍存在于生物界，其作用在于产生和控制昼夜节律的运转。
Up to the present day, compared to freshwater lakes, more attention was paid to the ammonia-oxidizing prokaryotes in Marine and soil environments.
目前，对氨氧化原核生物的研究大多集中在海洋、土壤等环境，而对淡水生境的研究较少。
Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.
研究人员一度以为，只有单细胞生物，如原核生物和原生动物，才能在深海缺氧环境中生活。
Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.
研究人过去一直认为，只有原核生物和原生生物这样的单细胞生物才能够在深海的缺氧环境中生存。
However, the functions and metabolic mechanisms of the symbiotic flagellates and prokaryotes in the gut of lower termites are still remaining to be further elucidated.
但肠道共生微生物的具体功能和作用机制还有待进一步的揭示。
Not only does this definition exclude prokaryotes, protozoa, and fungi, but it specifically includes a term "gradual process" which should not be part of the definition.
这个定义不仅把原核生物、原生动物和真菌排除在外，而且它具体的包含了“渐进过程”这个词，它本不该属于这个定义。
The major and extremely significant difference between prokaryotes and eukaryotes is that eukaryotic cells contain membrane-bound compartments in which specific metabolic activities take place.
原核生物与真核生物之间最大也是最主要的区别就在于真核细胞在特殊的代谢活动发生的地方包含了拥有膜包围的间隔间。
The evolution of mechanisms for immune defense has resulted in a variety of strategies. Prokaryotes use restriction endonucleases, antimicrobial peptides, and RNA interference for self-protection.
免疫防御机制演化出许多不同策略，原核生物运用核酸的限制内切酶、抗微生物胜肽及RNA干扰素作为自我防卫。
Until recently, the findings of anaerobic oxidizing (anammox) bacteria and ammonia-oxidizing archaea (AOA) indicate that ammonia oxidation and the prokaryotes participate in this process are complex.
近年来厌氧氨氧化细菌和氨氧化古菌的发现，提示环境中氨氧化过程及其微生物驱动者的复杂性。
Transformation, conjugation, and transduction are the main forms of horizontal gene transfer in prokaryotes, but no clear clue was related with the mechanism of horizontal gene transfer in eukaryotes.
原核生物基因水平转移的主要方式有转化、接合和转导，真核生物中水平转移发生方式尚不清楚。
Transformation, conjugation, and transduction are the main forms of horizontal gene transfer in prokaryotes, but no clear clue was related with the mechanism of horizontal gene transfer in eukaryotes.
原核生物基因水平转移的主要方式有转化、接合和转导，真核生物中水平转移发生方式尚不清楚。
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