Study Guide Flashcards
(35 cards)
Multicellular
They are made up of more than one cell. Bears are multicellular.
Unicellular
They are made up of one cell. Amoebas are unicellular.
Cell Theory
- Cells are the basic units of structure and function in living things
- All cells are produced from other cells
- All living things are composed of cells
Specialized Cells
They are found in certain organs in a multicellular organism.
5 levels of organization
- Cell
- Tissue
- Organ
- Organ System
- Organism
Element
Made up of one atom and cannot split.
Compound
Made up of more than one at of and can be split into 2 elements.
Carbohydrates
Give us energy.
Lipids
Made into fats to store for later use.
Proteins
Provide structure for our cells.
Nucleic Acids
Provide instructions for our body.
Organic Compounds
They have carbohydrates.
Inorganic Compounds
Don’t have carbohydrates.
What is the necessary inorganic compound that all cells need to survive?
Water/H2O
The importance of water in cells
Without it, cells can’t survive.
Difference between plant cells and animal cells
Plant cells have a cell wall and chloroplasts, and animal cells have lysosomes.
Function of a cell wall
Protects the inside of the cell.
Function of ribosomes
Make proteins.
Function of nucleus
The control center for the cell.
Function of the mitochondria
Powerhouse of the cell.
What is the organelle that helps move materials in a cell?
The cell membrane.
Characteristics of all living things
- Living things are made of cells.
- Living things obtain and use energy.
- Living things grow and develop.
- Living things reproduce.
- Living things respond to their environment.
- Living things adapt to their environment.
The 4 needs of living things
- Water
- Food
- Shelter
- Stable Internal Conditions
Autotrophs
Can make their own food
