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Chapter Seven
What is in the cell
24
Biology
10th Grade
10/18/2010

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Term
Cell theory
Definition
All living things are made of cells
Cells are the basic units of structure and function in living things
Term
Prokaryotics
Definition
Cells that do not enclose their DNA
Term
Eukaryotics
Definition
Cells that enclose their their DNA
Term
An invention that made the discovery of cells possible.
Definition
microscope
Term
Rober Hooke described what he saw by this term
Definition
Cells
Term
microscopes that have lenses that focus light. They magnify objects up to 1000 times.
Definition
Compound light microscopes
Term
Beams of electrons pass through it
Definition
transmission electron microscope
Term
A beam of electrons that is scanned
Definition
Scanning micrograph
Term
Three types of cells
Definition
plant, animal, bacteria
Term
unicellular organisms are compsed of how many cells?
Definition
one
Term
Multicellular are made of how many cells?
Definition
many
Term
Jelly like substance enclosed by membrane
Definition
cytoplasm
Term
very small size that have specific functions
Definition
organelles
Term
contains the DNA
Definition
nucleus
Term
inside the nucleus of the ce;; and disappears during cell division
Definition
nucleolus
Term
Have a large central structure that stores water, salts, proteins, carbohydrates, and wastes
Definition
vacuoles
Term
Have a large central structure that stores water, salts, proteins, carbohydrates, and wastes
Definition
vacuoles
Term
k down food and worn out cell parts
Definition
lysosomes
Term
network of proteins filaments that give the cell internal shape and organization that carries materials from one part of the cell to another
Definition
cytoskeleton
Term
part of the microtubules and organize cell division
Definition
centrioles
Term
two subunits made of RNA and proteins that produce proteins following the instructions from the DNA
Definition
Ribosomes
Term
Slacks ribosomes and contains enzymes and membrane lipids and detoxification of drugs
Definition
Rough endoplasmic reticulum
Term
contains ribosomes and makes proteins for lysosomes in specialized locations
Definition
Rough endoplasmic reticulum
Term
stacks pf flattened sacs receive and modify proteinds made of er
Definition
Golgi Apparatus
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