Cells Flashcards
1
Q
What are the requirements for something to be considered alive?
A
- Has cells
- Consumes energy
- Able to react to things around them
- Can adapt
- Grows and changes
- Reproduction
2
Q
What are the three principles of Cell Theory?
A
- Cells make up the structure for all living things
- Living things all have cells
- Cells come from existing cells
3
Q
What do all cells have?
A
Deoxyribonucleic acid (DNA)
4
Q
What is the purpose of DNA?
A
To create instructions for a cell
5
Q
What is mitosis?
A
Cell replication
6
Q
What are tissues?
A
Two or more cells bonded together for a specific purpose
7
Q
What are the four types of tissues that make up most animals?
A
- Nervous tissue: controls + communicates
- Muscular tissue: movement
- Connective tissue: makes structure + bonds other tissues
- Epithelial tissue: lines + covers + protects tissues