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What is 1 + 3?
Unite 3: Cells
Biology chapter 7: A view of a cell
State 3 parts of the Cell Theory
1. All living things are composed of one or more cells. 2. The cell is the basic unit of organization of organisms 3. All cell come from pre-existing cells
are much simpler and usually smaller cells. Don't have a nucleus
have a nucleus and are members of the protist, fungi, plant and animal kingdoms
members of the kingdom monera
made up of blue-green algae and bacteria
how does the plasma membrane maintain homeostasis?
Allows some molecules to pass through and keep others out
What is selective permeability?
a differentially-permeable membrane
a second membrane for a plant cell only
region within the nucleus, it produces ribosomes
contains cell DNA
make protein for the cell
gel-like material inside the cell that contains water and nutrients
moves materials around in the cell
used for packing and secreting
storage areas for the cell
chemicals used to digest waste
contains chlorophyll that makes food for plant cell
break down food and release energy to the cell
provides support for organelle and is important in cell locomotion
Cilia and Flagella
composed of molecules