One thing that all human cells have in common is that they. A. Control the brain B. Make food C. Move blood D. Take in energy

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

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.

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.