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The Cell Theory
Lysosomes
A membrane-bound cavity in living cells that contains enzymes that are responsible for degrading and recycling molecules (a small sac that contains digestive chemicals).
1. All living things are composed of cells
2. Cells are the basic unit of structure and function in living things
3. New cells are produced from existing cells
A janitor compares to lysosomes because both clean up
Mitochondria
An organelle that, using oxygen, converts nutrients into energy that can be used by the cell
Cooks compare to the Mitochondria because both
create energy. (The cooks create the food which is the main thing keeping the restaurant going, while the mitochondria converts nutrients into energy).
Chloroplasts
An organelle that converts the radiant energy of the Sun into chemical energy through the process of photosynthesis
An oven compares to Chloroplasts because both use energy to create food (In photosynthesis the plant makes food for itself).
Cell wall
The rigid, porous outer layer of a plant cell. Its function is to act as a pressure vessel, preventing over-expansion when water enters the cell.
The restaurants' parking lot compares to the cell wall because they both prevent over-expansion ( For the restaurant it's over-expansion of customers and for the cell it's over-expansion of water).
Cytoskeletan
The frame: the internal network of protein filaments and microtubules in an animal or plant cell that controls the cell's shape and movement
The restaurant building compares to cytoskeletan because both maintain the overall shape.
Ribosomes
Tiny structure where proteins are synthesized (produce proteins).
Plant cell organelles
The pots and pans in a restaurant compare to ribosomes because both help produce things (ribosomes help to produce proteins while pots and pans help to produce food).
Vesicles
Small package of nutrients or proteins created by the Golgi apparatus.The main function of the vesicle is to break down substances in the cell into smaller molecules.
A waiter compares with vesicles because both
deliver things
Vacuole
Sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
A restaurants food storage room is compared to a vacuole because both store nutrients and water.
Nucleus
There are three different parts that help/ make up the nucleus.
• Nuclear envelope – a double-layered membrane that surrounds and protects the nucleus.
• Nucleolus – a small body in the nucleus where ribosomes are synthesized.
• Nucleus – a round body in the center of the cell that contains DNA and directs the cell’s activities.
The chef and the nucleus compare to each other because both are in charge.
Endoplasmic reticulum
A network of passageways in which chemical compounds are manufactured, processed, and transported. The ER (Endoplasmic reticulum) comes in two types, rough or smooth. The smooth ER is for storage, and the rough ER is for packing proteins.
The restaurants kitchen compares to the Endoplasmic reticulum because for both things are manufactured and processed there.
1. Lysosomes
2. Mitochandria
3. Chloroplasts
4. Cell Wall
5. Cytoskeletan
6. Ribosomes
7. Vesicles
8. Vacuole
9. Nucleolus
10. Endoplasmic Reticulum
Diffusion is the passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration.
Osmosis is the slow change in concentration: the diffusion of a solvent through a semipermeable membrane from a dilute to a more concentrated solution