Brown algae ; mostly marine and littoral eukaryotic algae .

褐藻；主要是海洋和沿海真核藻。

Mitochondria are present in all eukaryotic cells .

一切真核的细胞都有线粒体。

The first eukaryotic cells faced all three problems in spades .

最早的真核细胞肯定直面过所有这三个难题。

Eukaryotic genes are spatially and temporally regulated .

真核基因表达的空间和时间调控。

Genomic instability and alterations in gene expression are hallmarks of eukaryotic aging .

基因表达时基因组的不稳定和改变是真核细胞老化的特征。