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Vocab ( 30 terms )

TermDefinition
Taxonomy The classification of organisms
Binomial nomenclature The system of which 2 terms are used to denote a species of living organisms
Genus Classification that is below a family and above a species level , and includes group(s) of species that structurally similar
Virus A small infectious agent that replicates only inside the living cells of other organisms
Pathogen An agent causing disease or illness to its host
Viroid An infectious agent that consists solely of a single strand of RNA and causes diseases in certain plants.
Prion A infectious protein particle similar to a virus but lacking nucleic acid
Capsid The protein shell of a virus
Bacteriophage A virus that parasitizes a bacterium by infecting it and reproducing inside it
Lytic infection One of the two major bacteriophage- bacterium relationships
Lysogenic infection The spread of the viral DNA occurs through the usual prokarayotic reproduction
Prophage The genetic material of bacteriophage
Vaccine Biological preparation that improves immunity to a particular disease
Plasmid A genetic structure in a cell that can replicate independently of the chromosomes
Conjugation Process by which 1 bacterium transfers genetic material to another through direct contact
Toxin A hazardous substance produced by microorganisms , animals , insects and pants that can be harmful when inhaled
Antibiotic An antimicrobial agent made from microorganisms, can kill and inhibit the growth of microorganisms
Protist A eukaryotic organisms that cannot be classified as a plant, animal, or fungus.
Protozoa Defined as a diverse a group of unicellular eukaryotic organisms
Chitin Found in cell walls or certain fungi and algae
Gymnosperm A vascular plant in which the seed are not enclosed by a ripened ovary
Angiosperm Plants producing flowers
Stomata Tiny openings that allow plants to exchange gases necessary for cellular processes such as photosynthesis
Vascular system The tissues and organs of an animal that transports blood through out the body
Xylem A compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots
Phloem Tissue in the vascular plant that conducts food from leaves and other photosynthetic tissues to other plant parts
Bilateral symmetry An arrangement of an organism or part of an organism along a central axis, so that the organism or part can be divided into 2 equal halves
Radial symmetry Symmetry around around a central axis, as in a starfish and tulip flower
Protostome Any of a major group of animals defined by its embryonic development, in which the first opening in the embryo becomes the mouth
Deuterostome A subtaxon of the bilateria branch of the subkingdom eumetezoa
Created by: 104844