Unit 1
a broad branch of science that focuses on knowledge discovery
pure science
the smallest structural unit of living matter capable of independently carrying out life’s processes
cell
a state in which the particles in a solution tend to become evenly distributed and evenly take up space
equilibrium
small structures within a cell from which spindle fibers exten
centrosomes
a situation in which genes have three or more possible alleles
multiple alleles
creative, critical, and skeptical.
the mindset of a scientist
specialized structures of tissues that have specific functions
organs
a term that describes the diffusion of small, simple substances directly through a cell membrane
simple diffusion
noncancerous tumors that do not spread to other parts of the body
benign tumors
a chemical reaction carried out in a thermocycler machine that makes copies of a DNA sequence which is flanked by two short primer sequences
polymerase chain reaction (PCR)
dermatology
the study of skin
the amount of energy needed to start a chemical reaction
activation energy
tiny openings in leaves that allow gas exchange
stomata
a signaling molecule that binds to cells and promotes growth and cell division
growth factor
a short, single-stranded nucleotide sequence that can be used to start the activity of DNA polymerase
primer