Bio 219 Exam 3 with Questions and Answers

Bio 219 Exam 3 with Questions and Answers stem cells are pluripotent (can become all possible cell types). As they differentiate, the DNA is conserved by replication but the way the information is used is variable depending on cell function ANSWER RNA sequences 1) replication is semi-conservative 2) recombination happens in meiosis Stem cells only turn on some ________ that determine their function and features ANSWER RNAS/proteins Central dogma is from what people? ANSWER Watson + crick what is central dogma? ANSWER DNA is transcribed to RNA and then translated to protein (DNA makes copy that is RNA that translates into protein) 5 features of the genetic code: ANSWER 1) genes code for products 2) DNA sequence specifies protein sequence 3) code is a triplet 4) code is non-overlapping 5) code is degenerate