Levels of cellular organization Atom Molecule Organelle Cell

  • Slides: 15
Download presentation
Levels of cellular organization �Atom �Molecule �Organelle �Cell �Tissue �Organ System �Organism

Levels of cellular organization �Atom �Molecule �Organelle �Cell �Tissue �Organ System �Organism

Cells Prokaryotic Bacteria Eukaryotic Animal Plant

Cells Prokaryotic Bacteria Eukaryotic Animal Plant

Division of Cells �Eukaryotic Cells Literally means “True nucleus” � Have a _______ Cells

Division of Cells �Eukaryotic Cells Literally means “True nucleus” � Have a _______ Cells Have membrane-bound _____ Organisms made of eukaryotic cells are called “____” Examples: Animals, Plants, Fungi, Unicellular organisms like paramecium and amoeba

Cellular Components �Cytoplasm ___-_____ substance ______ the cell where organelles are found �Cytoskeleton “Cell

Cellular Components �Cytoplasm ___-_____ substance ______ the cell where organelles are found �Cytoskeleton “Cell skeleton” Network of _______ fibers that maintain the ______ and structure of cell Composed of three networks of fibers 1. 2. 3. Microtubules: _______; hollow tubes made of protein; determine cell shape; scaffolding _______ Filaments: Provide strength of cell Actin Filaments: ____; contractile string-like proteins that allow for cell ____

Cellular Components �Cell Membrane ______-permeable barrier that _____ the cell Regulates what _____ and

Cellular Components �Cell Membrane ______-permeable barrier that _____ the cell Regulates what _____ and ______ the cell Provides protection Found in ____ types of cells �Cell Wall Porous, ______ barrier found _____ the ________ Adds additional layer of support and protection _____ found in _______ cells

Organelles �Nucleus Houses the ______ material (DNA) needed for replication of the cell “______

Organelles �Nucleus Houses the ______ material (DNA) needed for replication of the cell “______ Center” of the cell � Contains the instructions for the creation of proteins (made from DNA) Exterior: Surrounded by nuclear envelope: double-layered ____ that encloses the DNA; contains nuclear pores: small ____ that allow for the passage of molecules between the _____ and the _______ Interior: DNA in the form of ______ (string-like) • Nucleolus: where ribosomes are made; very _______ region

Organelles �Endoplasmic Reticulum A grouping of sac-like structures _____ types of ER: � ______

Organelles �Endoplasmic Reticulum A grouping of sac-like structures _____ types of ER: � ______ ER: contain ribosomes (creating ‘rough’ appearance); involved in the process of _______ synthesis � ______ ER: no ribosomes; involved in ______ synthesis �Ribosomes Location where _______ are made (protein synthesis)

Organelles �Golgi Apparatus Looks like a stack of membranes (pancake-like appearance) Modifies, ____, and

Organelles �Golgi Apparatus Looks like a stack of membranes (pancake-like appearance) Modifies, ____, and _______proteins received from the ER. � Break off from the golgi apparatus; float ____ in the cell or travel to ________where it will eventually___the cell. � Creation of _______

Organelles �Lysosomes Contain _______ necessary for_______ of cell food or waste Can break down

Organelles �Lysosomes Contain _______ necessary for_______ of cell food or waste Can break down lipids, carbs, proteins Digest non-functional organelles, ‘_______ ___’ the cell

Organelles �Vacuoles Sac-like structure responsible for _______ of various materials (e. g. water, carbs,

Organelles �Vacuoles Sac-like structure responsible for _______ of various materials (e. g. water, carbs, proteins, etc. )

Organelles �Mitochondria The “______” of the cell Convert _____ energy into energy that is

Organelles �Mitochondria The “______” of the cell Convert _____ energy into energy that is used by the _____ itself (for growth, development, movement, etc. ) via cellular respiration � ATP (Adenosine Triphosphate) _____ structure

Organelles �Chloroplast Site of _______ � Energy from ____ is captured and converted into

Organelles �Chloroplast Site of _______ � Energy from ____ is captured and converted into chemical energy Contain the pigment ____ which absorbs solar energy used in photosynthesis � Responsible of plants for the ______ color

Organelles �Centrioles Made of _______ Located ______ nucleus ______ microtubules within the cytoskeleton prior

Organelles �Centrioles Made of _______ Located ______ nucleus ______ microtubules within the cytoskeleton prior to cell division