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More Important Bio 2

TermDefinition
nucleus structure looks like a large circle in the middle of the cell contains genetic material (DNA), is surrounded by a nuclear envelope that controls what goes in and out of the nucleus
nucleus function protects DNA that controls the activities of the cell
ribosomes structure look like small circles made of proteins and rRNA, located on the Rough ER and floating in cytoplasm
ribosome function make proteins! packages them to leave the cell
mitochondria structure looks like a bean with a squiggle inside
mitochondria function cellular respiration (breaks down food to make ATP)
chloroplast structure IN PLANTS ONLY look like a bean with stacks of coins inside, is green
chloroplast job photosynthesis (light energy from sun -> chemical energy in sugar)
cell wall structure NOT IN ANIMALS hard structure around the cell, made of cellulose in plants
cell wall function protect and support the cell
unicellular made of only one cell
multicellular made of many cells
organization levels cells-> tissues -> organs -> organ systems
prokaryote/prokaryotic an organism without a nucleus, without membrane-bound organelles, and is unicellular example: bacteria
Eukaryote/Eukaryotic an organism with a nucleus and membrane organelles, can be uni or multicellular example: animals, plants, fungi, protists
cell the smallest part of an organism that is still able to be alive
all cells have... genetic material (DNA or RNA), cytoplasm, cell membrane, ribosomes
organelles structures in the cell that do a specific job. They work together to help the cell function. Think "little organs"
cell membrane (plasma) structure surrounds the outside of all cells. Made of two layers called the phospholipid bilayer.
cell membrane function controls what goes in and out of the cell
Created by: mharms
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