Chapter 4 Flashcards
0
Q
What is a lifespan
A
How long you live
1
Q
What is a cell membrane
A
An external boundary around a cell
2
Q
What is a cell
A
A cell is the building block of life
3
Q
What is energy
A
The ability to move
4
Q
What is the cell theory
A
The cell theory is that all cells come from a pre-existing cell
5
Q
What is a system
A
Organs working together
6
Q
What is a nucleus
A
The largest organelle in the cell which is like the cells control center
7
Q
What is a chromosome
A
Tiny bundle of DNA in the nucleus
8
Q
Vacuole
A
Storage center for food, water, and wastes in a cell unit
9
Q
Lysosome
A
Structures in a cell that helps to digest and recycle old cell parts and food
