There are two main ways in which molecules are transported into and out of cells active transport and passive transport which of
the following is an example of active transport?
a. osmosis
b. sodium-potassium pump
c. filtration
d. plasmolysis

B

Explanation:

because it moves sodium ions to the outside of the cell and potassium ions to the inside of the cell

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )

answer; i believe the correct answer to the above question is ( friction)