Cell Theory

Description

A mind map of topic 1 - the cell. Hope it helps you study!
Rebeca Rodríguez Petz
Mind Map by Rebeca Rodríguez Petz, updated more than 1 year ago
Rebeca Rodríguez Petz
Created by Rebeca Rodríguez Petz about 3 years ago
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Resource summary

Cell Theory
  1. Cells
    1. Smallest unit of life
      1. All living things made of cells
        1. Cells come from preexisting cells
        2. Cell Classification
          1. Prokaryotic
            1. Bacteria
              1. No nucleus
                1. Instead, has a nucleoid region that houses DNA
                2. In common with Eukaryotic
                  1. Exclusive to Prokaryotic
                    1. Pili
                      1. Attach cells to surfaces
                      2. Capsule
                        1. Protects cell from engulfment
                        2. Nucleoid region
                          1. Houses DNA
                          2. Cilia & Flagella
                            1. Cilia
                              1. Moves things along surface of cell
                              2. Flagella
                                1. Moves cell from one point to another
                            2. Plasma membrane
                              1. Protects the cell
                                1. Controls what enters and leaves the cell
                                  1. Made of phospholipid bilayer
                                  2. Cytoplasm
                                    1. Protects cell organelles
                                      1. Jelly like substance in between organelles
                                        1. Site of chemical reactions
                                        2. Ribosomes
                                          1. Function: protein synthesis
                                            1. Synthesis = creation
                                            2. Small subunit + large subunit
                                              1. Found in cytoplasm or attached to endoplasmic reticulum
                                              2. DNA
                                                1. Cell Wall
                                                  1. Cytoskeleton
                                                    1. Maintains shape of cell
                                                      1. Holds organelles in place
                                                  2. Eukaryotic
                                                    1. Plant and animal cells
                                                      1. Has nucleus
                                                        1. Membrane-bound organelles
                                                          1. Obtained through ENDOSYMBIOSIS
                                                            1. Endosymbiotic theory:
                                                              1. Prokaryote cells engulf other prokaryote cells -> mitochondria is engulfed first, then chloroplast
                                                                1. Prokaryotic cells that are engulfed do not get digested -> instead they live in harmony with the other prokaryotic cell (like a symbiote i.e. Venom)
                                                          2. In common with Prokaryotic
                                                            1. Plasma membrane
                                                              1. Cytoplasm
                                                                1. Ribosomes
                                                                  1. DNA
                                                                    1. Cell Wall
                                                                      1. Only in plant cells
                                                                      2. Cytoskeleton
                                                                      3. Exclusive to Eukaryotic
                                                                        1. Nucelus
                                                                          1. Stores genetic material (keeps DNA safe)
                                                                            1. Each cell has the same type of DNA, but in some cells specific instructions are turned off.
                                                                          2. Endoplasmic reticulum
                                                                            1. Rough endoplasmic reticulum
                                                                              1. Attaches to outer membrane of nuclear envelope
                                                                                1. Processes and modifies proteins
                                                                                2. Smooth endoplasmic reticulum
                                                                                  1. Attaches to rough endoplasmic reticulum
                                                                                    1. Synthesizes phospholipids
                                                                                  2. Golgi apparatus
                                                                                    1. Collects, sorts, packages, and distributes materials (proteins + lipids)
                                                                                    2. Mitochondria
                                                                                      1. Site of cellular respiration (provides energy)
                                                                                    3. Animal Cells vs Plant Cells
                                                                                      1. Animal
                                                                                        1. Lysosomes
                                                                                          1. Contain digestive enzyme
                                                                                            1. Some scientists argue that plant cells have them too
                                                                                          2. Centrioles
                                                                                            1. Aid in cell division
                                                                                            2. Vacuoles
                                                                                              1. Lots of small vacuoles
                                                                                            3. Plant
                                                                                              1. Contain cell wall
                                                                                                1. Chloroplasts
                                                                                                  1. Site of photosynthesis
                                                                                                  2. Central vacuole
                                                                                                    1. One big vacuole
                                                                                            4. Rebeca Rodríguez Petz A01723482
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