Chapter 4 Study Guide Flashcards
1
Q
What is a cell
A
A cell is a compartment who’s boundary is formed by a membrane, its on the outside
2
Q
What is a cell membrane
A
A cell membrane is the outside of the cell
3
Q
What is the mitochondria
A
an organelle found in large numbers in most cells
4
Q
What is the nucleus
A
The nucleus contains DNA and is in the center of the cell
5
Q
What is diffusion
A
process by which molecules move from an area where they are more concentrated to where they are less concentrated
6
Q
What is osmosis
A
Osmosis is the movement of water through a membrane from an area of greater concentration to an area of lesser concentration
7
Q
What is active transport.
A
Cells uses energy to move substances with the help of transport proteins
