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.
Much like house prices, boiler service costs tend to vary across the UK, with engineers in different regions charging different amounts. When looking for a quote you should always compare prices in your specific postcode, to get an accurate idea of how much a service will cost in your area.oiler Type. Boiler service costs can vary between boiler types. Typically, oil boilers cost slightly more than gas boilers to service, but it is always a good idea to compare quotes in your area, as prices can differ from town to town.