PLZ HELP! What are some of the ways transport in plant cells is different from in animal cells?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins