Semester 1 Final Flashcards
anatomy is to _________ as physiology is to ____________
structure
function
the smallest stable units of matter
atoms
the atomic number of an atom is determined by the number of
protons
the chemical behavior of an atom is determined by
ratio of protons to electrons
if a pair of electrons is unequally shared between two atoms, this occurs
polar covalent bond
the most important metabolic fuel molecule in the body
glucose
an amino acid is to a protein as _________ is to a nucleic acid
nucleotide
a nucleotide consists of
phosphate group
5-carbon sugar
base
the most abundant high-energy compound in cells
ATP (adenine triphosphate)
oxygen is required in biological systems for
metabolism
the smallest living unit within the human body
cell
three terms used to define the structure that separates the contents of a human cell from its surrounding medium
plasma membrane
cell membrane
plasmalemma
four main tissue categories
epithelial
connective
muscular
nervous
basic shapes of epithelial cells include
squamous
simple
stratified
the epithelia that line body cavities and blood vessels are classified as
simple squamous