The chemical forces that contribute to the stability of the DNA helix are (choose the best answer): a) hydrogen bonds van der
b) Waals interactions
c) disulfide bonds

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

What is the compliment dna strand to the following sequence: ttgactaggcta

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.