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PostSubject: Key Terms   12/03/09, 08:06 pm

Use like flash cards. Hilight the text to show the definition

Word / Definition

Virus- an infectious particle made only of a strand of DNA or RNA surrounded by a protein coat


Pathogen- any living organism or particle that can cause an infectious disease is called an infectious agent


Viroid- infectious particles that cause disease in plants. Made of a single-stranded RNA without a protein coat


Prion- infectious particle made only of proteins that can cause other proteins to fold incorrectly


Capsid-protein shell that surrounds a virus


Bacteriophage- virus that infects bacteria

Lytic infection-infectious pathway of a virus in which host cells are destroyed

Lysogenic infection- infectious pathway of a virus in which host cells are not immediately destroyed

Prophage- DNA of a bacteriophage inserted into a host cell’s DNA

Epidemic-rapid outbreak of an infection that affects many people

Vaccine- a substance that stimulates the body’s own immune response against invasion by microbes

Retrovirus- virus that contains RNA and uses an enzyme called reverse transcriptase to make a DNA copy

Obligate anaerobe- prokaryotes that can not live in the presence of oxygen

Obligate aerobe- organisms that need oxygen in their environments

Facultative aerobe- prokaryotes that can survive whether oxygen is present in the environment or not

Plasmid- small piece of genetic material that can replicate separately from the prokaryotes’ main chromosome

Flagellum- long, whiplike structure outside of a cell that is used for movement

Conjugation- process in which prokaryotes can exchange parts of their chromosomes through a hollow bridge of pili formed to connect two or more cells

Endospore- prokaryotc cells with a thick, protective wall surrounding its DNA (used during unfavorable conditions until conditions improve)

Bioremediation- the process of using microbes and other living things to break down pollutants

Toxin- a poison released by an organism

Antibiotics- chemical that kill or slow down the growth of bacteria, inflict damage by interfering with either the ribosomes or cell wall




Definition / Word

Virus- an infectious particle made only of a strand of DNA or RNA surrounded by a protein coat


Pathogen- any living organism or particle that can cause an infectious disease is called an infectious agent



Viroid-
infectious particles that cause disease in plants. Made of a single-stranded RNA without a protein coat


Prion- infectious particle made only of proteins that can cause other proteins to fold incorrectly


Capsid-protein shell that surrounds a virus


Bacteriophage- virus that infects bacteria


Lytic infection-infectious pathway of a virus in which host cells are destroyed


Lysogenic infection- infectious pathway of a virus in which host cells are not immediately destroyed


Prophage- DNA of a bacteriophage inserted into a host cell’s DNA


Epidemic-rapid outbreak of an infection that affects many people



Vaccine-
a substance that stimulates the body’s own immune response against invasion by microbes


Retrovirus- virus that contains RNA and uses an enzyme called reverse transcriptase to make a DNA copy


Obligate anaerobe- prokaryotes that can not live in the presence of oxygen


Obligate aerobe
- organisms that need oxygen in their environments


Facultative aerobe- prokaryotes that can survive whether oxygen is present in the environment or not



Plasmid-
small piece of genetic material that can replicate separately from the prokaryotes’ main chromosome


Flagellum- long, whiplike structure outside of a cell that is used for movement


Conjugation- process in which prokaryotes can exchange parts of their chromosomes through a hollow bridge of pili formed to connect two or more cells


Endospore- prokaryotc cells with a thick, protective wall surrounding its DNA (used during unfavorable conditions until conditions improve)


Bioremediation- the process of using microbes and other living things to break down pollutants


Toxin- a poison released by an organism


Antibiotics- chemical that kill or slow down the growth of bacteria, inflict damage by interfering with either the ribosomes or cell wall

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