BIOLOGY - cells
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what does a cell adapt to?
it’s functions
what are all living things made up of?
cells
what 5 things do animal and plant cells both have?
nucleus cytoplasm cell membrane mitochondria ribosomes
what is a nucleus?
the main control center for the cell and holds all the genetic information
what is cytoplasm?
fluid that fills the cell
what does the cell membrane do?
keeps all the pieces of the cell inside
what is the mitochondria?
the power house of the cell
what are ribosomes?
protein builders of the cell
bacteria and yeast cells have different structures to what two cells?
animal and plant cells
how do dissolved substances pass in and out of cells?
diffusion
what is a bacterium?
a single-celled organism
what 4 things are inside a bacterial cell?
cytoplasm cell membrane surrounding cell wall genetic material, however not a distinct nucleus.
what does a cell wall do?
strengthens the cell
what does chloroplast contain?
chlorophyll
what does chlorophyll do?
absorbs light energy to use for photosynthesis
what is permanent vacuole and what does it do?
cell sap, which keeps the cell turgid (swollen)
what is yeast?
yeast is a single-celled organism
what is the main difference between bacterial cells and yeast cells?
yeast cells have a nucleus and bacterial cells don’t