Studied by 7 people
adhension
the clinging of one substance to anothers
Biotechnology
the manipulation of living organisms or their components to make useful products
Cohesion
tendency of molecules of the same kind to stick to each other
DNA profiling
procedure that analyzes DNA samples to determine if they come from the same individual
differentiation
specialization in the structure and function of cells that occurs during the developments of an organism
Fluid Mosiac Model
model made out of small pieces (currently accepted model of cell membrane structure)
Gene cloning
The production of multiple copies of a gene
Gene expression
Process which genetic information flows from genes to proteins
Gene regulation
the turning on & off of genes
Genomics
study of complex sets of genes & their instructions
Homeotic genes
master control gene that determines the identity of a body structure of an organism
homologous chromosomes
2 chromosomes that make up a matched pair in a diploid cell
Isotope
same number of protons, different numbers of neutrons
Karyotype
A display of micrographs of the metaphase chromosomes of the cells
Mutation
a change in the genes information of the cell
nucleosome
bead like unit of DNA packing in Eukaryotic cell
Passive Transport
diffusion of molecule across membrane using no energy
Osmosis
diffusion of free water across a selectively permeable membrane
Polymerase Chain Reaction (PCR)
a technique used to obtain many copies of DNA to do tests on it
Proteomics
study of whole sets of proteins & their reactions
Recombinant DNA
DNA that has been manipulated (in a lab) to carry genetic information from 2 different sources (usually different species)
replication
when genetic information is copied
Repressors
a protein that blocks the transcription of a gene or operon
restriction enzymes
A bacterial enzyme that cuts up specific DNA
selectively permeable
A property of biological membranes that allows them to regulate the passage of substances across them
Transcription
synthesis of RNA on DNA template
Transgenic
An organism that contains genes from another species
Translation
Synthesis of polypetite using the genetic information encoded in an mRNA molecule
