Chapter 3
What is the difference between active and passive transport?
Active uses ATP, passive does not
What are the 4 classifications of bones?
Long
Short
Flat
Irregular
What is the skeleton composed of?
bones, cartilages, joints, ligaments
What does PMAT stand for?
Prophase
Metaphase
Anaphase
Telophase
What is the sodium potassium pump?
An enzyme that pumps Na+ out of cell and K+back into cell
What is the line between the diaphysis and epiphysis?
epiphyseal line
What are the 2 major divisions of skeleton?
Axial skeleton
Appendicular skeleton
When is equilibrium reached?
when there is no net movement of molecules in one direction only
What are 3 ways cells can bound together?
Tight junctions
Desmosomes
Gap junctions
What part of the long bone consist of compact bone externally and spongy bone internally?
Epiphyses
What are sutural bones?
Tiny, irregularly shaped bones that appear within sutures
What are the 4 major stages of fracture treatment and repair?
Hematoma formation
Fibrocartilaginous callus formation
Bony callus formation
Bone remodeling
What are the classes of extracellular fluid?
Interstitial fluid
Blood plasma
Cerebrospinal fluid
What is the shaft called of long bones?
Diaphysis
What is the deepest skull bone?
Ethmoid bone
What part of the phospholipid is hydrophobic?
The fatty acid tail
What allow substances to pass into and out of nucleus?
Nuclear pores
What are hairlike canals that connect lacunae to each other and to central canal?
Canaliculi
Where is the lambdoid suture?
between parietal bones and occipital bone
What are the 3 phases of transcription?
Initiation
Elongation
Termination