the movement of particles from an area of low concentration to an area of high concentration that uses energy provided by or a difference in electrical charges across a cell membrane
active transport
100
the series of events that take place in a cell leading to its division and duplication
cell cycle
100
a variation of a genes nucleotide sequence
allele
100
made up of more than one cell
multicellular
100
a proposed scientifically testable explanation for an observed phenomenon
hypothesis
200
the study of life
biology
200
the final phase of a cell cycle resulting in the division of the cytoplasm
cytokinesis
200
the process in which dna makes a duplicate of itself
dna replication
200
the process in which sister chromatids fail to separate during and after mitosis or meiosis
nondisjunction
200
a biological macromolecule that encodes the genectic information for living organisms and is cable of self replication
deoxyribonucleic
300
the basic unit of structure and function for all living organisms
cell
300
the branch of zoology studying the early development of living things
embryology
300
the science of test and techniques used during the investigation of crimes
forensics
300
more than two forms of a gene controlling the expression of a trait
multiple alleles
300
a nuclear division resulting in the production of two somatic cells having the same genetic
mitosis
400
an organelle found in plant cells and the cells of other eukaryotic photosynthetic organisms
chloroplast
400
the total surrounding of an organism or a group of organisms
environment
400
a sequence of nucleotides composing a segment of dna that provides a blueprint for a specific hereditary trait
gene
400
the scientific study of inheritance
genetics
400
the intentional insertion alteration or deletion of genes with in individauls cells
gene therapy
500
proteins embedded in the plasma membrane involved in the movement of ions
carrier
500
located outside the cell
extracellular
500
a type of gene recombination in which the dna is intentionally broken and recombined using laboratory technques