Which does not describe the relationship between the nucleus and the electron cloud of an atom?

a. the electrons move faster than the particles in the nucleus
b. the masses of the nucleus and electron cloud are balanced
c. the charges of the nucleus and electron cloud are balanced
d. the electron cloud takes up much more space than the nucleus

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

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.