Mendel believed that during the formation of gametes, the pair of genes controlling a trait separate. he called this the principle of
a. dominance
b. segregation
c. separation
d. recession

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated