Cell Theory
What does the cell theory say about living things
They are all composed of cells
What is diffusion?
The movement of a substance from a higher concentration to a lower concentration. (down a gradient)
What are the two types of epithelial tissue?
-Lining and covering - Glandular
What is 2 functions of the connective tissue
Binding and supporting
What is the nucleus?
Information center of the cell
What are cells?
They are the basic unit of structure and function of living things
What is Osmosis?
The diffusion of water.
What is 4 functions of the epithelial?
Protection, absorption, excretion, filtration
What is 4 main classes of the connective tissue
Proper, cartilage, bone, blood
What is the cell membrane
Separates cell contents from the environment
What is the most basic unit of life?
The cell
What is Active Transport?
When the cell must provide energy in order to move the material against the direction of diffusion.
What makes it different from other tissue
Most abundant
What is found on the dermis layer of your skin
Dense connective tissue
What is cytoskeleton
Supports structure and helps move synthesized proteins
Who discovered the cell theory?
Robert Hooke
What is Exocytosis?
When cells need to send large molecules outside their membranes.
What is supportive of the epithelium on its basal side
Basal lamina
What is the most common type of connective tissue in vertebrates
Loose connective tissue
What is golgi apparatus
Synthesis, packages and releases concentrate proteins or lipids
When was the cell theory discovered?
1665.
What is Endocytosis?
When cells need to import molecules inside their membranes.
What is a form to replace dead cells
Epithelial cells glide
What is different of connective tissue from epithelial cells?
It has cells scattered throughout a matrix of fibrous proteins
What is smooth endoplasmic reticulum
Creates lipid or fat