Biology Cell structure Flashcards
Basic unit of life
Cells
Tissues working together
Organs
Group of cells working together to perform a common function
Tissue
Group of organs working together
Organ system
Entire living being
Organism
What allows people to see things at a microscopic level
light microscope
3 parts of cell theory
1)Living things are composed of one or more cells
2)Cells are the basic unit of living things
3)New cells come from pre-existing cellls
Simpler and smaller cells
Prokaryotic
Cells without a nucleus
Prokaryotic
Cells without membrane bound organelles
Prokaryotic
Bacteria, and Archea
Prokaryotic cells
Larger and more complex cells
Eukaryotic
Cells that have membrane bound organelles
Eukaryotic
Cells with a nucleus
Eukaryotic
Cell wall
Provides support
-not in animal cells
Cell membrane
Controls what enters and exits the cell
Cytoplasm
Fluid inside the cell
Nucleus
Contains DNA
Nucleolus
Makes ribosomes
Ribosomes
Makes proteins
Mitocondria
Performs cell respiration(Breaks down sugar to make ATP-usable energy for the cell)
ER
Transports materials through the cell
Which ER has ribosomes?
Rough ER
Lysosome
Breaks down waste
Vacuole
Stores food,water, or waste
Chloroplast
Performs photosynthesis in plants
Cytoskeleton
Maintain cells homeostasis
Flagella
Long whip-like tail that moves cell through surroundings
Cilla
Hair like projections that draw materials into the cell
-prokaryotic cells only
Golgi body
Packages materials to be exported from the cell
Pseudopodia
Temporary extension of cytoplasm that allows the cell to drag itself in one direction
Are animals cells prokaryotic or eukaryotic
Eukaryotic
Are plant cells prokaryotic or eukaryotic
Eukaryotic
Organelles only plants have
-cell wall
-chloroplasts
-one central vacuole
-fixed shape
Organelles only animal cells have
-many small vacuoles
-irregular shape
-no cells wall
-centrosomes
-lysosomes
What are the first cells called?
Stem calls
What process makes stem cells have different functions?
Cell differentiation
