cells the basic unit of life.ppt - tcdsb
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Cells Make up Plants
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Cells make up all living things.
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What is the definition of a cell?The basic unit of life.
Can you think of reasons why cells need nutrition and a good environment?
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Cells produce tissuesTissues produce organs
Organs produce organ systemsOrgans systems produce organisms
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Parts of a plant cellCell Wall
ChloroplastCytoplasm
MitochondrionEndoplasmic Reticuleum
NucleusVacuole
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Robert Hooke discovered the first cells. Cork Cells were thought to have been these cells. Anton von Leeuwenhoek was first to observe one celled living things. Examples
of these were bacteria and parameciums.
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Definitions and plant cell parts.Cytoplasm-gel like substance found in a cellChloroplasts-a green structure in a plantCell Wall-a stiff covering that protects plant cellsNucleus-control center of the cellChromosomes-provides direction for cell to
followEndoplasmic Reticulum-transportation networkMitchondrion-produces energy in the cellVacuole-cell storage sac for food, waste and
water
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Parts of the animal cell and definition.Vacuole-cell storage sac for food,waste, and
waterMitochondrion –produces energy in a cell
Chromosomes-provides direction for cells to follow
Nucleus-control center of a cellEndoplasmic Reticulum--transporation system
Cytoplasm-gel like substance found in a cell
Cell Membrane-surrounds cell material
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Plants and animals cells have many of the same type of
structures. These structures perform the same type of
activities. Plants and animals cells have some structures that are not the same. These structures perform
different activities, but necessary to it’s particular cell.
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Cells also carry out diffusion,passive transport active
transport and osmosis.Diffusion-movement of gases from higher
concentrations to lower concentrationsPassive Transport-materials do not need energy
to move from higher concentration to lower to a lower concentration
Active Transport-materials need energy to move from a higher concentration to lower concentration
Osmosis-water moving from higher concentration to a lower concentration
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Why do you think that all students need to have an
understanding of the parts of a cell and the differences between
the parts found in plant and animal cells?
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Mitosis- forms identical cells
Meiosis-one half the number of forms cells with chromosomes
How can one cell develop into a plant or animal?