A point mutation involving substitution of one base pair for another by replacement of one purine by another purine and of one pyrimidine by another pyrimidine but without change in the purine-pyrimidine orientation.
And Now…Transition Words!
Good transitions connect one sentence or paragraph to the next. A word, phrase, or sentence can serve as a transition to help make a shift in relationship, space, or time. Transitions connect ideas and supporting examples. They signal the coming of additional information or a conclusion. Transitions in Relationship Some transition words and phrases are used to compare and contrast. These include comparable to, in …
Why Irish Spelling Looks Familiar Yet Strange
March 17th is St. Patrick’s Day, or Lá Fhéile Pádraig (Irish), named for one of the most recognized of the patron saints of Ireland, Saint Patrick, who died on this date around 493 A.D. While St. Patrick is famous for allegedly driving snakes out of Ireland, he is also responsible for the oldest known Gaelic composition in existence. This fact provides to explore the question …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.