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Cells
Clara Montalbán Peñalver, 3º A ESO
Introduction:
•
•
•
•

The cell
Eukaryotic and prokaryotic cells
Unicellular and multicellular organisms
Tissues
The cell
• All the living beings are composed of cells.
• Cells are the smallest units that exist.
• They can perform the ...
Organelles of prokaryotic cells:
•
•
•
•
•
•

Cell wall
Plasmatic membrane
Cytoplasm
Ribosomes
Flagellum
Cilium(pili)
Eukaryotic cells
• Eukaryotic cells have got nucleus.
• More complex than prokaryotic cells and they
have got a nucleus bo...
Plant cells
• Plant cells have a cell wall that covers the cell
giving protection and strength.
• They are the only cells ...
Organelles of plant cells:
•
•
•
•
•
•
•
•
•
•
•
•

Cell wall
Vacuoles
Chloroplasts
The Golgi apparatus
Mitochondria
Rough...
Animal cells
• Animal cell is a type of cell present in
organisms of the animal kingdom.
• Animal cells can take a variety...
•
•
•
•
•
•
•
•
•
•
•
•

Organelles of animal cells:

Plasma membrane
Nucleus
Nucleolus
Rough endoplasmic reticulum
Smooth...
Animal cell
The differences between animal cell
and plant cell:
• Plants cell has got cell wall and chloroplasts that
animal cell does...
Unicellular organisms
Unicellular organisms are formed by a single
cell.
Most of unicellular organisms are prokaryotes,
li...
Multicellular organisms
They are formed by two or more cells.
The cells of the multicellular organisms can´t live
independ...
Tissues
• Epithelial tissue: it is a tissue formed by one or
several layers of cells. This tissue covers every body
caviti...
Tissues
Epithelial tissue:

Connective tissue:

Muscle tissue:

Cartilage tissue:

Nerve tissue:
Bibliography:
•
•
•
•
•

Enciclopedia Visual de las preguntas.
Enciclopedia del estudiante.
Wikipedia.
WordReference.
Ling...
Trabajo de biología azul
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Cells: human and plants

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Trabajo de biología azul

  1. 1. Cells Clara Montalbán Peñalver, 3º A ESO
  2. 2. Introduction: • • • • The cell Eukaryotic and prokaryotic cells Unicellular and multicellular organisms Tissues
  3. 3. The cell • All the living beings are composed of cells. • Cells are the smallest units that exist. • They can perform the three basic funtions of life: Nutrition, relation and reproduction. • In the nucleus of each cell is the DNA contains all the genetic information of each living being.
  4. 4. Organelles of prokaryotic cells: • • • • • • Cell wall Plasmatic membrane Cytoplasm Ribosomes Flagellum Cilium(pili)
  5. 5. Eukaryotic cells • Eukaryotic cells have got nucleus. • More complex than prokaryotic cells and they have got a nucleus bounded by a wrap. • Examples: seaweeds, fungi, animals and plants. • Two kinds: animal cells and plant cells. Bounded= delimitado Wrap=envoltura Seaweeds=algas Fungi=hongos
  6. 6. Plant cells • Plant cells have a cell wall that covers the cell giving protection and strength. • They are the only cells with chloroplasts. • Chloroplasts serve to perform photosynthesis. • Seaweeds and plants have plant cells.
  7. 7. Organelles of plant cells: • • • • • • • • • • • • Cell wall Vacuoles Chloroplasts The Golgi apparatus Mitochondria Rough endoplasmic reticulum Smooth endoplasmic reticulum Nucleus Nucleolus Ribosomes Cytoskeleton Lysosome
  8. 8. Animal cells • Animal cell is a type of cell present in organisms of the animal kingdom. • Animal cells can take a variety of forms because it hasn´t got cell wall.
  9. 9. • • • • • • • • • • • • Organelles of animal cells: Plasma membrane Nucleus Nucleolus Rough endoplasmic reticulum Smooth endoplasmic reticulum The Golgi apparatus Centrosome Vacuoles Ribosomes Cytoskeleton Mitochondria Lysosome
  10. 10. Animal cell
  11. 11. The differences between animal cell and plant cell: • Plants cell has got cell wall and chloroplasts that animal cell doesn´t have. • The animal cell has got centrosomes and plant cell hasn´t got them. • Vacuoles are more abundant in animal cells but in the plant cells are larger.
  12. 12. Unicellular organisms Unicellular organisms are formed by a single cell. Most of unicellular organisms are prokaryotes, like bacteria. Organisms of the kingdoms Monera, Fungi and Protoctista are unicellular.
  13. 13. Multicellular organisms They are formed by two or more cells. The cells of the multicellular organisms can´t live independently, they need the other cells to live.
  14. 14. Tissues • Epithelial tissue: it is a tissue formed by one or several layers of cells. This tissue covers every body cavities. • Connective tissue: it joins organs and tissues. • Cartilage tissue: it forms structures. • Muscle tissue: it makes contractions and extensions. Its function is to allow the movement. • Nerve tissue: it captures stimuli and it gives answers. Several layers=varias capas Allow=permitir Stimuli=estímulos
  15. 15. Tissues Epithelial tissue: Connective tissue: Muscle tissue: Cartilage tissue: Nerve tissue:
  16. 16. Bibliography: • • • • • Enciclopedia Visual de las preguntas. Enciclopedia del estudiante. Wikipedia. WordReference. Linguee. Clara MontalbánPeñalver, 3º A ESO

Cells: human and plants

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