Biology- cells

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  • Created by: balloon69
  • Created on: 21-04-16 11:44
Organelle
An organelle is a tiny cellular structure that performs specific functions within a cell.
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Cell
the smallest structural and functional unit of an organism
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Tissue
similar cells and cell products forming a definite kind of structural material with a specific function
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organ
grouping of tissues into a distinct structure
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organ system
an organ system is a group of organs that work together to perform one or more functions
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organism
a living being
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cell wall
wall that is part of the outer structure of certain cells, as a plant cell.
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vacoule
a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
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chloroplast
green plant cells which contains chlorophyll and in which photosynthesis takes place.
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cell membrane
the semipermeable membrane surrounding the cytoplasm of a cell.
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nucleus
a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
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cytoplasm
the material or protoplasm within a living cell, excluding the nucleus.
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mitochondria
an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane
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Eukaryotic
any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm, a membrane-bound nucleus enclosing genetic material organized into chromosomes, and an elaborate system of division by mitosis o
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prokaryotic
any cellular organism that has no nuclear membrane, no organelles in the cytoplasm except ribosomes, and has its genetic material in the form of single continuous strands forming coils or loops, characteristic of all organisms in the kingdom Monera,
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stem cells
a cell that upon division replaces its own numbers and also gives rise to cells that differentiate further into one or more specialized types, as various B cells and T cells.
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cell division
parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
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diffusion
Diffusion is the movement of a substance from a region of higher concentrationto a region of lower concentration
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osmosis
Osmosis is the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
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Other cards in this set

Card 2

Front

the smallest structural and functional unit of an organism

Back

Cell

Card 3

Front

similar cells and cell products forming a definite kind of structural material with a specific function

Back

Preview of the back of card 3

Card 4

Front

grouping of tissues into a distinct structure

Back

Preview of the back of card 4

Card 5

Front

an organ system is a group of organs that work together to perform one or more functions

Back

Preview of the back of card 5
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