It comes in, gets metabolized down to pyruvate and enters the mitochondria.

它进入人体，被新陈代谢成丙酮酸，然后进入线粒体。

Aerobic respiration happens all the time in all cells, usually in the mitochondria.

有氧呼吸每时每刻都在细胞中发生，通常在线粒体中。

And what kind of problems do people who inherit faulty mitochondria have?

遗传到有缺陷线粒体人会遇到什么问题？

This second genome belongs to our mitochondria, an organelle inside our cells.

这第二个基属于我们线粒体，是我们细胞内一个细胞器。

And they concentrated on the participants' mitochondria, which contain genomes of their own.

他们专注于研究包含地衣基线粒体。

The theory is that what are being disposed of in particular are worn-out mitochondria.

被处理掉其实是衰弱线粒体。

This protein works by boosting the number of mitochondria in your cells.

这种蛋白质通过促进细胞内线粒体数量增长从而发挥作用。

It evolved into what we call the mitochondrion.

它进化成了我们所说线粒体。

Today, every single plant has cells like this, full of chloroplasts and mitochondria.

今天，每一株植物都有这样细胞，充满叶绿体和线粒体。

The problem is in the mitochondria of some women.

这种遗传问题出在一些女性线粒体中。

It lives in mitochondria, the POWERHOUSE OF THE CELL! – so we're doing that again.

它住在线粒体中，细胞发电站！—— 我们又来了。

So mitochondria are the energy producers of the cell, right?

所以线粒体是细胞供能者，没错吧？

Still, the question of how mitochondria, specifically in hepatocytes, become damaged remains mostly a mystery.

至于肝脏里线粒体是如何受损，仍是一个谜。

Which is why I need to read about mitochondria right now.

所以我要好好学习下线粒体知识。

Um, do you happen to know anything about mitochondria?

你知道线粒体是什么东西吗？

Getting rid of wonky mitochondria would reduce free-radical production and might thus slow down ageing.

除掉没用线粒体可以减少自由基生成，这样就可能减缓老化过程。

That's the roll of the mitochondria.

由线粒体卷得到。

Humans have over 200 types of cells, and all except mature red blood cells have mitochondria.

人类有超过 200 种类型细胞，而除了成熟红细胞外，都有线粒体。

And your body breaks down the fat molecules in your fat cells to fuel your mitochondria.

而人体会在脂肪细胞中分解脂肪分子，以此为线粒体供能。

However, scientists say the mitochondria in some women can pass genetic problems on to their babies.

然而，科学家们表示，一些女性体内线粒体可以将遗传病遗传给她们婴儿。