Fall Final Flashcards
Define Excretion
The process of removing wastes
Define Homeostasis
Ability to maintain stable internal conditions despite changing external conditions
Define Anatiomical Position
Anatomical reference point, a standard body position in which the body is erect with feet sligtly apart
Define Axial part
makes up the main axis of the body-head,neck, trunk
Define Serosa
A thin, double layer membrane that covers cavities and organs
Define Radiant energy
Energy that travels in waves
Define Mass Number
Sum of the protons and neutrons in an atom
Define Solutions
Homogeneous mixtures of componets
Define Exergonic
Reactions that release energy
Define Electrolyte
Substances that conduct an electrial current in solution
Define Disaccharide
Formed when two monosachariddes are joined
Define Isomer
Have the same molecular formula but atoms are arranged differently
Define Lipids
Organic polymers that are insoluble in water
Define Enzymes
Globular proteins that act as a biological catalysts
Define Interstitial fluid
Fluid that bathesthe exterior of cells
Define Glycolipids
Lipids in plasma membrane with attached sugar groups
Define Isotonic solutions
Has the same concentration of solutes as in the cell
Define Solute pumps
Move solutes against a concentration gradient
Define Ligands
Chemicals that bind specifically to plasma membrane receptors
Define Ribosomes
Organelle that synthesizes proteins
Define Free radicals
Highly reactive chemicals with unpaired electrons
Define Gene
Segments of DNA that carries information for one polypeptide
Define Apoptosis
Programmed cell death
Define Phagocytosis
“Cell eating”
Define Promoter
Special DNA sequence that contains the start point
Define Histology
The study of tissues
Define Epithelium
Cells taht cover surfaces and line cavities