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Cells
Standring Cells JMIS7
30
Science
7th Grade
10/12/2011

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Term
Parts of an Microscope
Definition
Eye Peice, objective, slide, light rays, and mirror.
Term
Hor do you carry a microscope?
Definition
With two hands, against your chest, and make sure no cords are hanging off.
Term
Know the order of classification
Definition
Domain, Kingdom, Class, orders, Families, Genera, Species
Term
What are the 3 parts of the cell theory?
Definition
-All living things are composed of cells
-Cells are the basic units of structure and function in living things
-All cells are produced from other cells.
Term
prokaryotic
Definition
Organisms that lack a nucleus
Term
types of prokaryotic organisms
Definition
bacteria and archea
Term
Eukaryotic
Definition
organisms that contain nuclei
Term
types of Eukaryotic organisms
Definition
Protists, Fungi, plants, animals
Term
organelles
Definition
Carry out specific functions in your body each has a different function in a cell
Term
Cell wall
Definition
Rigid layer of nonliving material that surrounds, the cells of plants and some other organisms.
Term
Cell membrane
Definition
The next barrier after the cell wall.
Term
Nucleus
Definition
directs all of the cell's activities.
Term
nuclear membrane
Definition
The double-layered membrane surrounding the nucleus of a eukaryotic cell, separating the nucleoplasm from the cytoplasm.
Term
Chromatin
Definition
is the combination of DNA and proteins that make up the contents of the nucleus of a cell.
Term
Nucleolus
Definition
is inside of the nucleus, holds DNA and is protected by two or three levels.
Term
Cytoplasm
Definition
a gel-like fluid in which different organelles are found
Term
Endoplasmic Reticulum
Definition
Network or passegways carries materials from one part to another
Term
Ribosomes
Definition
Small structured as factories to produce proteins
Term
Mitochondria
Definition
most of the cell's energy is produced here
Term
golgi bodies
Definition
Receive materials from the endoplasmic reticulum and send them to other parts
Term
Lysosomes
Definition
these small organelles contain acid hydrolase enzymes to break down waste materials and cellular debris.
Term
Vacuole
Definition
store food, water, waste, and other materials in some animal cells
Term
chloroplasts
Definition
capture energy from sunlight and use it to produce food for the cell
Term
What structures do only plants have?
Definition
cell wall and chloroplasts
Term
What structure do only animals have?
Definition
Lysosomes
Term
know the levels of organization
Definition
cells-tissues-organs-organ systems-organisms
Term
How do cells get their name?
Definition
The word cell comes from the Latin cellula, meaning, a small room. The descriptive name for the smallest living biological structure was chosen by Robert Hooke. He compared the cork cells.
Term
cytoskeleton
Definition
Protein framework inside of animals and single celled organisms.
Term
Which cells are bigger?
Definition
Plant
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