Mitochondrial bioenergetics plays a key role in multiple basic cellular processes, such as energy production, nucleotide biosynthesis, and iron metabolism. It is an essential system for animals' life and death (apoptosis) and it is required for embryo development. This, in conjunction with its being subjected to adaptive processes in multiple species and its gene products being involved in the formation of reproductive barriers in animals, raises the possibility that mitochondrial bioenergetics could be a candidate genetic mechanism of speciation. Here, we (...) discuss genetic and biochemical evidence for the possible involvement of this unique system, encoded by two genomes (the mitochondrial and nuclear genomes), that differ by an order of magnitude in their mutation rates in processes leading to speciation events. (shrink)

[1] Maʼamarim 1-3 -- ḥeleḳ 2. Maʻamarim 4-5.

kerekh 1. 744-745 -- kerekh 2. 746-747 -- kerekh 4. 750-751.

[1] Seder ha-ʻavodah -- [2] Moʻadim. Amarot.

Mador ʻinyene teshuvah -- Mador ʻinyene ha-moʻadim -- Mador maʻalot ha-Torah -- Mador ʻinyene emunah -- Mador Torah u-maʻalote' -- Mador ʻinyene ha-musar ṿe-tiḳun ha-midot -- Mador zikhron ḳedoshim -- Mador be-shule ha-mesilah.

ḥeleḳ 1. Emunah u-viṭaḥon, Nisyonot ha-adam, Teshuvah ṿe-tiḳun ha-maʻaśim, Milḥemet ha-yetser, Koaḥ ha-tefilah ṿe-hodaʼah la-H. -- ḥeleḳ 2. Hashgaḥat H., Ḥavivin Yiśraʼel, Śimḥah shel mitsṿah, Takhlitan shel yisurin, Tiḳun ha-midot.

Ḥeleḳ 1. Hilkhot kibud av ṿa-em u-khevod rabo -- ḥeleḳ 2. Hilkhot lashon ha-raʻ u-rekhilut ʻal ha-Ḥ. ḥ. ṿe-ʻinyene emet ṿe-sheḳer.

Ḥeleḳ 1. Hilkhot kibud av ṿa-em u-khevod rabo -- ḥeleḳ 2. Hilkhot lashon ha-raʻ u-rekhilut ʻal ha-Ḥ. ḥ. ṿe-ʻinyene emet ṿe-sheḳer.