Cells!! Yay! We’re so excited!! I always wanted to learn about cells and stuff…really Mr. Mason…I’m not bored….this is awesome… just like cheese, which is also awesome…but not quite as awesome as cells. Well, except for melted cheese…and that fancy cheese at Costco…that stuff is pretty awesome. Wait… what was I saying??? Oh yeah…cells! Woohoo!
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Cells!! Yay! We’re so excited!! I always wanted to learn about cells and stuff…really Mr. Mason…I’m not bored….this is awesome…just like cheese, which.
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Transcript
Cells!!
Yay! We’re so excited!! I always wanted to learn about cells and stuff…really Mr. Mason…I’m not bored….this is awesome…just like cheese, which is also awesome…but not quite as awesome as cells. Well, except for melted cheese…and that fancy cheese at Costco…
that stuff is pretty awesome. Wait…what was I saying??? Oh yeah…cells! Woohoo!
Cell Theory
• Life consists of cells
• All cells are derived from pre-existing cells
Cell Theory
• Life consists of cells
• All cells are derived from pre-existing cells
– Cells are the smallest units of matter that exhibit all five characteristics of life
Sizes of Cells
• Most bacteria: 1-10 μm• Plant/animal cells: 10-100 μm
• Can see with unaided eye down to 0.2mm (200 μm)
• Largest cell?• Smallest cell?
Sizes of Cells
• Most bacteria: 1-10 μm• Plant/animal cells: 10-100 μm