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Cells

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by

A P

on 25 September 2017

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Transcript of Cells

Cells
Cells can be divided into two main groups.

1) Eukaryotic: These cells have a
membrane around their nucleus.
Plants and animals have eukaryotic
cells.
2) Prokaryotic: These cells do not have a membrane around their nucleus.
Bacteria have prokaryotic cells.
Animal Cell Structures
1: Chromosomes: Hold the
construction plans for building
proteins (the building blocks of the cell). They are found in the
cells nucleus.
2: Cell membrane: Holds the contents of the
cell in place and controls what enters and
leaves the cell.
3: Cytoplasm: A watery fluid that contains
everything in the cell and outside the nucleus.
4: Vacuole: Stores water, nutrients, and sometimes waste, it can also be used to remove excess water and waste from the cell.
5: Cilia and Flagellum: Some animal
cells have these special structures that
help them move around their environment.
6: Mitochondria: Circular, rod shaped
organelles that provide cells with energy.
7: Ribosomes: Use information from
the nucleus and amino acids from
the cytoplasm to produce proteins.
8: Smooth and Rough Endoplasmic Reticulum: Smooth ER Has no ribosomes attached to it and is the structure where fats are made. Rough ER has ribosomes attached to it. Both types of ER carry materials through the cytoplasm.
9: Golgi Apparatus: Looks like
a stack of flattened balloons
10: Lysosomes: Formed by
the golgi apparatus to patrol
and clean the cell.
Plant Cell Structures
Plant cells have all of the same organelles
as animal cells plus two extra ones unique to plants.
1: Cell Wall: Protects and supports the plant
cell.
2: Chloroplasts: The food factories of the cell. Chlorophyll in the chloroplasts allow plants to use energy from the Sun, carbon dioxide from the air, and water to produce carbohydrates in a process called photosynthesis.
3: Vacuole: In plants the vacuole is much larger compared to the vacuole in animal cells.
Full transcript