bacteria and viruses 2
Terms
undefined, object
copy deck
- make their own food from inorganic substances
- autotrophs
- the study of viruses
- Virology
- most common form of reproduction
- Binary fission
- bacteria which are capable of causing disease
- pathogens
- obtain organic matter from their environment for food
- heterotrophs
- gives virus its shape and protects the core of the virus from damage
- capsid
- rigid structure that surrounds the cells of plants, fungi, many protics, and most bacteria
- cell wall
- process in which a cell such as bacteria becomes infectedby a virus; destroys cell
- lytic cycle
- unicellular organism that lacks a nucleus and membrane-bound organelles
- prokaryote
- bacteria that needs oxygen to survive
- Obligate aerobes
- combination of the genetic materials of two bacteria cells
- conjugation
- an organism that feeds on dead organic materials
- Saprophyte (saprobe)
- protein strands used for attachment
- pili
- a bacteria that can metabolize with or without oxygen
- faculative bacteria
- bacteria that cannot live in the presence of oxygen
- obligate anaerobes
- an organism that obtains its nutrition at the expense of another
- parasite
- method by which temperate viruses infect a cell without destroying it
- lysogenic cycle
- structures used for movement
- flagella
- kingdom which is composed of bacteria which live in extreme habitats
- archabacteria
- viruses contain either __________in their
- DNA or RNA
- resistant structures produced by certain bacteria to survive extremes of temperatures, dehydration, chemicals, and radiation
- endospore
- organism that supports another organism
- host cell
- the process by which gaseous nitrogen in the air is converted into ammonia
- nitrogen fixation
- a virus that infects bacteria
- bacteriophage
- an enzyme that makes DNA from an RNA template
- Reverse transcriptase
- a chemical substance, usually biological in origin, that is harmful to the normal functioning of cells
- Toxin
- biological particle composed of genetic material and protein
- virus