How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Biology Ch1:2 Plant & animal cells
a thin layer that surrounds and holds a cell together
a gel-like substance containing chemicals needed by the cell
information and control center of the cell
the smallest particle of a substance that has all the properties of the substance
A protein builder of the cell
An organelle that uses oxygen to break down food and release energy in chemical bonds
stores substances such as food, water, & waste products
A system of tubes that process and transport proteins within the cell
Packages and distributes proteins outside the cell
the outer part of the plant cell that provides structure to the cell
captures the light energy from the sun to make food
breaks down substances
the basic unit of matter