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30 Cards in this Set

  • Front
  • Back
energy rich organic compound made of elements c, h , o
the smallest unit of an element
when 2 or more elements combine chemically
what are organelles?
carry out specific functions witin the cell.
compounds that dont contain carbon
organic compounds
ability to clearly distinguish the individual parts of an object
smallest unit of most compounds
what is the cell membranes main functions?
controls what substances come into and out of the cell.
compounds that dont contain the element carbon
inorganic compounds
a light microscope that has more then one lens
compound microscope
rod shaped structures, they are the power houses they produce most energy the cell needs to carry out its functions.
basic unit of structure and function
the organelles that are found in cytoplasm function:
to produce energy, build and transport needed materials and store and recycle wastes.
makes things appear larger
a large oval structure it is the brain of the cell.
instrument that makes small objects look larger
region btw the cell mem and the nucleus. clear, fluid like material.
thin strands floating in the nucleus. they contain genetic material the instructions that direct the functions of the cell.
a rigid layer of nonliving material that surrounds the cells of plantrs and some other organisms.
cell wall
a lens with a curved shape
convex lens
located inside the cell wall, it forms the outside boundary that seperates the cell from its enviroment.
cell membrane
widely accepted explanation of the relationship btw cells and living things.
cell theory
what are the three things about cell theory?
all living things are composed of cells

cells are the basic unti of structure and function in living things

all cells are produced from other cells
they are attached to the outer surface of the ER they are small grainlike bodies.
large green scas floating in the cytoplasm. they capture energy from the sunlight and use it to produce food for the cell.
large water filled sac floating in the cytoplasm. it is the storage area for the cell.
small round structures that contain chemicals that break down large food particles into smaller ones.
flattened collection of sacs and tubes. "the mailroom" they recieve proteins and other newly formed materials from the ER.
Golgi Bodies
the passageways carry portein and other material
endoplasmic reticulum
is a substance that cannot be broken down into simpler substances.