Which is an example of a scientist using a conceptual model to describe an atom?
A. The scientist thinks of the atom as being like a solar system.
B. The scientist uses a computer to calculate the position of each
proton.
C. The scientist finds an equation that tells you the speed of each
electron.
O D. I'm not sure.
E. The scientist uses golf balls to represent electrons and protons.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?

Were you able to observe the nucleolus in any of the cells if so which ones