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Science 2024
Microscopic World T2
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Created by
Myra Talwar
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Cards (73)
Cell
Smallest
unit of life
Micrometers
Units
cells
are measured in
Unicellular
Creatures that consist of a
singular
cell
Unicellular organism
Bacteria
Multicellular
Creatures that are made of many
cells
Multicellular
organism
Human
Eukaryotic
Cells which are more
developed
, have
defined
parts and are
newer
Prokaryotic
Less
developed and
older
organisms
Organelles
Specialised
cell part
that has a
specific
job
Cells are made of
organelles
Cell membrane
Semi
permeable
, controls the
substances
coming
in and out of the cell,
takes
in
nutrients
Mitochondria
Produces
energy
or ATP,
respires
Nucleus
Stores
cell DNA
Ribosomes
Creates
proteins
Endoplasmic reticulum
Packages
and
transports proteins
Cytoplasm
Liquid
called
cytosol
, that contains
organelles
Cell wall
Rigid
structure
,
gives
shape
and
structure
to cell
Vacuole
Sack containing
water
,
minerals
and
waste
Chloroplasts
Contains
chlorophyll
,
photosynthesis
occurs or
food production
centre
Chlorophyll
Is the
green
pigment
,
absorbs
sunlight
Plants shrivel on hot days
Because the
vacuole
takes up majority of plant
cell
mass and
empties
out
Cell wall
Made of
cellulose
Cells are shaped in different ways
To
fulfill
a
function
DNA
Genetic
material
Skin cells
Shaped
like a
table cloth
Red blood
cells
Shaped
like a bean
bag
Smooth
muscle
cells
Behave
like a
spring
Nerve cell
/
neuron
Shaped like a
telecommunication cable
Sperm cell
Shaped like a
tadpole
to
swim
Nerve cell/neuron
Transmit information
Smooth muscle cells
Stretch
and
contract
Red blood cells don't have a
nucleus
to pack more
oxygen
Bone cells
Strong, and hollow in the middle where different
connections
are made
Skin cells
Broad and
flat
to cover layer of
muscle
Tissue
Cells with
similar
functions gather to make
Organs
Various types of
tissue
gather to make
Systems
Several
organs
gather to make
Organisms
Systems gather to
make
Tissue
Nervous
Nerve tissue
Nerves, spinal cord, brain
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