What happens when the concentration of solutes
reaches equilibrium?
A. They are selectively permeable
throughout a membrane.
B. They are the same throughout a
system.
C. They move from high to low.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Explain how light energy is turned into chemical energy? ! due tomorrow!

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked