41699
Beschreibung
Mindmap von jamie long, aktualisiert more than 1 year ago
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Erstellt von jamie long
vor mehr als 12 Jahre
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cells and cell processes
- vacuole- space filled with liquid cell starch
- cell wall- made of cellulose, surrounds and supports cell
- chloroplast- absorbs light energy to produce glucose by photosynthesis
- protista- single celled algae that have features similar to both
plant and animal cells.
- e.g euglena, has no cell wall but chloroplast, has an eyespot to detect
light, flagellum to move and contractile vacuole to remove water from cell
- e.g euglena, has no cell wall but chloroplast, has an eyespot to detect
light, flagellum to move and contractile vacuole to remove water from cell
- bacteria, fungi, viruses and unicellular algae are all
organisms which are microbes
- what features are common
to all cells?
- cytoplasm- jelly
material that is
the site of
chemical reaction
- nucleus- contains DNA,
the cemical that controls
the cells activities.
- cell membrane-
controls the entry
of materials into
and out of the cell
- cytoplasm- jelly
material that is
the site of
chemical reaction
- what are the feautures
of yeast?
- single celled organism
- asexual reproduction
- reproduced by budding
- single celled organism
- virus: smaller than bacteria, reproduces inside
host cells, new viruses are assembled inside
host cells.
- new viruses attack new host cells
- new viruses attack new host cells
- bacteria are single celled
organisms, they reproduce by
binary fission(dividing in 2) and
they are thought to be the
earliest form of life
- specialized cells are cells who's
shape had been adapted to suit the
function of the cell.
- specialisation occurs when the organism
becomes multicellular (made of lots of
cells)
- specialisation occurs when the organism
becomes multicellular (made of lots of
cells)
- proteins are made from a
chain of amino acids linked
togethor to form a specific
shape.
- they have a number of functions
e.g enzymes hormones and
muscles.
- they have a number of functions
e.g enzymes hormones and
muscles.
- enzymes are biological catalysts
that speed up the rate of reaction
without becoming a product of
itslef, they are made of protein
- they control
chemical
reactions of
cells
- they control
chemical
reactions of
cells
- stem cells are cells that are able to differentiate
into other cells .
- they are found in;
embryos, bone marrow
and meristems of plants
- they are found in;
embryos, bone marrow
and meristems of plants
- 2 types of cell division
- mitosis- the
production of new
body cells
- meiosis- the production of gametes
- mitosis- the
production of new
body cells
- denaturing is when
the enzymes active
site has changed
shape and is no
longer able to
catalyse a reaction
- changing pH
denatures the enzyme
- boiling denatures the enzyme
- changing pH
denatures the enzyme
- function of DNA
- the order of the bases from a
code , every three letters codes
for an amino acid (triplet code)
- the order of the bases
dictates the order of the
amino acids and this
creates protein e.g an
enzyme or an hormone
- the order of the bases from a
code , every three letters codes
for an amino acid (triplet code)
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