Biology cell definitions

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  • Created by: JosephPHS
  • Created on: 27-01-19 21:50
Eukaryotic cell
Eukaryotic cells are cells that contain a nucleus and organelles, and are enclosed by a plasma membrane.
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Prokariyotic cell
Prokaryotic cells are cells that do not have a true nucleus or most other cell organelles.
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Cell wall
A cell wall is an outer layer surrounding certain cells that is outside of the cell membrane.
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Cell membrane
The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment.
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Nucleus
The cell nucleus is a large organelle in eukaryotic organisms which protects the majority of the DNA within each cell. The nucleus also produces the necessary precursors for protein synthesis.
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Mitochondria
Mitochondria (singular: mitochondrion) are organelles within eukaryotic cells that produce adenosine triphosphate (ATP), the main energy molecule used by the cell.
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Chloroplast
The chloroplast, found only in algal and plant cells, is a cell organelle that produces energy through photosynthesis.
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Nucleolus
A small dense spherical structure in the nucleus of a cell during interphase
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Vacuole
A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
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Ribosomes
A ribosome is a complex cellular mechanism used to translate genetic code into chains of amino acids. Long chains of amino acids fold and function as proteins in cells.
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Chromosome
A chromosome is a string of DNA wrapped around associated proteins that give the connected nucleic acid bases a structure.
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Other cards in this set

Card 2

Front

Prokaryotic cells are cells that do not have a true nucleus or most other cell organelles.

Back

Prokariyotic cell

Card 3

Front

A cell wall is an outer layer surrounding certain cells that is outside of the cell membrane.

Back

Preview of the back of card 3

Card 4

Front

The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment.

Back

Preview of the back of card 4

Card 5

Front

The cell nucleus is a large organelle in eukaryotic organisms which protects the majority of the DNA within each cell. The nucleus also produces the necessary precursors for protein synthesis.

Back

Preview of the back of card 5
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