19 terms

Part of a cell analogy with a school

Parts of the cell for 7th grade science
Cell Membrane
School reference - walls and doors

*protects the cell
*keeps things in
*lets things out
*both plant and animal
Cell Wall
school reference - Police Patrolling Outside

*extra protection for the plant cell
*keeps the plant rigid
*Plant cell only
school reference - air

*Thick fluid that fills the cell and holds all the organelles
*both plant and animal
school reference - support beams

*web of proteins in the cytoplasm that keeps the cell membrane from
*both animal and plant cells
school reference - generator, furnace or heater

*breaks down food to make energy for the cell
*both animal and plant cells
school reference - cafeteria

*makes food for the plant cells
*plant cells only
school reference - main office; principal's office

*'control center'
*gives instructions and controls cell's activities
*both animal and plant cells
school reference - filing cabinets

*controls DNA, which contains information about the cell
*both animal and plant cells
Rough Endoplasmic Reticulum
school reference - hallways

*a passageway that sends and delivers proteins throughout the cell
*has ribosomes on it
*both animal and plant cells
school reference - construction workers

*makes proteins for the cell
*both animal and plant cells
Smooth Endoplasmic Reticulum
school reference - hallways

*passageway that continues to move proteins throughout the cell
*makes lipids
*breaks down toxic material
*both animal and plant cells
Golgi Apparatus/Complex
school reference - mailroom

*packages and transports proteins out of the cell to other cells
*both animal and plant cells
school reference - storage room

*stores water, food and protein
*both animal and plant cells
school reference - trash can

*gets rid of old, worn-out parts of the cell
*both animal and plant cells
*(mainly in animal cells)
Biological molecules that perform a variety of functions in living organisms such as making new DNA, defense against germs, bodily movements and digestion.
smallest unit
perform all processes necessary for life
cell theory
*all organisms made of one or more cells
*basic unit of all living things
*come from existing cells
*cells with no nucleus
*single-celled organism
*Bacteria is the smallest cells known; have no nucleus, but does have DNA
*cells with a nucleus
*largest cell
*most are multi-cellular (many cells)
*larger than single cell
*animals and plants