Wednesday, September 29, 2010

ATP

One of our viewers wanted to know what ATP was, so I'll explain it:

ATP (Adenosine Triphosphate) is a molecule made of an adenosine group bonded to three phosphates, found in the mitochondria contained in the cell.  Here's what it would look like:  A-P-P-P, where A represents adenosine and P represents phosphate.  Under the right conditions, the last phosphate will break away, releasing energy in the process.  This energy is used to power cells in the body.  This process changes the ATP into ADP (Adenosine Diphosphate) and a phosphate.  But it takes energy to re-bond the ADP to the phosphate.  This is taken care of by an enzyme called ATP synthase, which essentially takes the energy from food to recombine the ADP and phosphate.  In this way, it acts like a rechargeable battery.


This is a post from Alpha Rex.

The wires on the NXT are like telephone jacks, with one difference: the snap-connector on top is to the side to prevent kids from plugging their NXTs into the telephone service.

Briiiiiiiinnnnnnnng!  Briiiiiiiiiiiiinnnnnnnnnnnnnng!

Person: Hello?
NXT: Hello.
Person: Who is this?
NXT: Alpha Rex.
Person:AAAAAAAAAUUUUUUUUUUUGGGGGGGGGHHHHHHH!  ALIEN ROBOTS ARE INVADING!!!!!!!!!!!!
NXT: Resistance is futile.

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