Flashcards in VT 147 Deck (19):
What is an atom?
The smallest unit of an element that retains the unique properties of that element
What is a chemical reaction?
The formation and breaking of chemical bonds
What are inorganic compounds and what are examples?
Compounds without a hydrocarbon. Water, salts, acids and bases.
What are organic compounds?
Molecules that contain a hydrocarbon. Carbohydrates, lipids, steroids, eicosanoids, and proteins
What are acids?
Ionically bonded substances that freely release hydrogen ions when added to water
What are bases?
Alkaline compounds that are ionically bonded but release hydroxyl ions when added to water
What are five functions of a protein?
Cell structure, structural body tissues, controlling chemical reactions, regulation of growth, defending the body from invaders
How many amino acids are used by the body?
How do enzymes work?
Speed up chemical reactions without being destroyed or altered
What is meant by membrane potential?
The difference between the electrical potential between the interior and exterior of the cell
Where are the vessels of blood located?
In the dermis
What is another name for the dermis?
What are the basic tissue categories?
Epithelial, connective, muscular, nervous
What cellular structure is responsible for RNA production?
Cardiac muscle is ....
Three major muscle groups
Striated (skeletal), smooth, cardiac
What tissue types are membranes composed of?
Epithial and connective
What does the lymphatic system do?
Carries excess interstitial tissue fluid to blood vessels near the heart to put fluid back into the bloodstream