HS. Biology AM 13. How does the presence of an acid in a water solution affect the pH of the solution?
It does not affect the pH.
It neutralizes the pH.
It lowers the pH.
It raises the pH.

How do antiviral drugs work? in your own words.

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

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different