This property allows some things to enter/leave the cell, and blocks other things from doing so.
What is selective permeability?
What does diffusion move across the cell membrane?
What are large molecules like oxygen, carbon, and sugar
Which process does not require the cell to use energy?
What is diffusion?
What two organisms are taxonomically closely related?
What are species?
What is the two part scientific naming system called
What is binomial nomenclature?
Osmosis is the diffusion of this
What is Water
What organisms use contractile vacuoles to move excess water
What is a paramecium
The sodium/potassium pump requires energy to pump against the high to low flow. This is an example of this type of transport.
What is active transport?