Final Review: Problem Vocab Flashcards
(32 cards)
population dynamic
the study of how and why populations change in size and structure over time
ionic bond
electrical attraction between two oppositely charged atoms
van der Waals forces
an attraction force between positive and negative regions of a molecule
hydrogen bonds
when positively charged hydrogen is attracted to the negatively charged oxygen
polymer
repeating identical units linked by covalent bonds
chemical reaction
chemical bonds of one substance are borken and new bonds are formed, making a different substance
equilibrium
concentration is equal throughout area
pumps
form of active transport that moves charged ions and uncharged molecules
channel proteins
tube like openings that allow specific substances to enter or exit freely
metabolic pathway
series of reactoins
anabolic pathway
pathway uses energy
mutagen
anything that can damage genes can cause cancer
crossing over
the homologous chromosomes exchange dna at the start of meiosis 1 during prophase 1
independent assortment
homologs can align in any way
genetics
studies genes and inheritance
genotype
an individual’s set of alleles/genes
law of segregation
the two alleles are separated in meiosis and an offspring inherits one allele from each parent
law of independent assortment
the alleles of different traits randomly assort from one another
gene recombination
new combinations of genes caused by crossing over and independent assortment
polygenic traits
a trait that is influenced or controlled by several genes
DNA fingerprint
when fragments of dna are separated through gel electrophoresis
dichotomous key
a device that allows organisms to be identified in a step-by-step method
phylogenetic tree
a branched model showing amount of time that separates species and the length of the branch signifies the span of time
virus
segment of nucleic acid surrounded by a protien coat
