All Answers (8) 1  This is nice information from wikipedia visit. 2  I guess if you assume the DNA is at rest with an average rise of 3.4 A per base pair, then the length of chr1 would be 3.4A * 249*10^6, i.e. 847*10^6A, i.e. ~85 mm, or 8.5 cm.
Boiler sizing includes two things: 1  The heating and hot water capabilities of the boiler. 2  The physical size of your boiler and whether it will fit in the space you have it destined for.
If you decide to install a new boiler in the place of an old energy-inefficient one, you can expect to save some money on your gas bills. The boiler installation costs or boiler replacement costs are likely to be significantly outweighed by the savings you are in line to make. We've pulled together the most important variables to give you an idea of how much you could save below.