Re: Energy cost of copying junk DNA
- From: "rja.carnegie@xxxxxxxxxx" <rja.carnegie@xxxxxxxxxx>
- Date: 17 Sep 2005 03:14:55 -0700
Friar Broccoli wrote:
> Hi All;
>
> If I understand correctly, about 95% of the human genome is
> junk. That means that every time a cell divides it replicates
> about 20 times as much DNA as it needs.
>
> So I have the following questions:
>
> 1) What percentage of total daily energy is spent on cell
> division (intestine, skin etc)? (Is energy consumption the
> best measure of resource use for this?)
>
> 2) How much extra energy/resources are used replicating
> with this junk than without it?
I'll guess that it doesn't matter, just as it doesn't matter if about
95% of what you read is junk - say the sports pages of the newspaper.
.
- References:
- Energy cost of copying junk DNA
- From: Friar Broccoli
- Energy cost of copying junk DNA
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