Bio - the cell and its organelles and its functions!!!!!!
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functions of the different organelles in the cell
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29 Terms
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cell membrane
protective barrier, lipid bilayer
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cell wall
provides strength and protection, only in plant cells
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cytoplasm
fills cell and surrounds organelles
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nucleus
control system of cell, protection for DNA
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instructions to make protein (cromosones make up chromatin, chromatin makes up DNA)
chromosone/chormatin/DNA
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nucleolus
contains RNA to make riboomes, found inside nucleus
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made of protein and makes protein
ribosomes
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Rough Endoplasmic Reticulum
makes protein
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Smooth endoplasmic reticulum
produces fats, folds and prepares protein
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golgi body
recieves proteins, transports!!!!
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mitochondria
supplies energy (ATP)
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Lysosomes
where digestion takes place, breaking down bacteria and damaged cell organelles
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vacuoles
stores nutrients, waste, and substances used by the cell
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centrioles
FACILITATES CELL DIVISION!!!
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cytoskeleton
maintains cell shape and provides structure
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Chloroplast
where photosynthesis takes place in a plant cell; only in plant cells
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what is interphase?
the process a cell undergoes in preperation for mitosis
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describe the processes happening in G1
cell growth, replication of organelles, protein synthesis
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describe the processes happening during synthesis or “s”
DNA duplication
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describe the processes happening during G2
preparation for cell divison, reorganisation of organelles
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name the first phase of mitosis
prophase
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name the second phase of mitosis
metaphase
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name the third phase of mitosis
anaphase
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name the last phase of mitosis
telophase
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what is the name and product of the phase after mitosis
cytokenisis; two daughter cells
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what happens during prophase?
nucleus dissolves, centrioles migrate to poles, chromosones condense
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what happens during metaphase?
chromozones line up, spindle fibres attach to centromeres
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what happens during anaphase?
seperation of bivalent chromosones, chromatids go to each pole of the cell
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what happens during telophase?
formation of two nuclei, divot between the future daughter cells begins
Note 
Flashcards (21)