ch 25 bio final

_ is a form of genetic exchange in bacteria that involves contact between two cells

conjugating

cows and other ruminates rely on a _ relationship with bacteria in their digestive tract

mutualistic

which types of bacterium would not be able to survive in the presence of oxygen

obligate anaerobic

what are the small circles of DNA that exist within the bacterial cytoplasm in addition to the bacterial chromosome

plasmids

gram- positive bacteria would stain _ in a gram skin bc of a thick layer of _ in their cell walls

purple-peptidoglycan

some bacteria avoid being phagocytized by a hosts immune system by means of

their capsule

plasmids of bacteria often have genes involved in

antibiotic resistance

peptidoglycan consists of

sugars cross linked with proteins

the most significant difference between archaea and bacteria is the

absence of peptidoglycan in the cell walls of archaea

which of the following are rod shaped bacteria

bacilli

which statement of bacteria is false

bacteria aren't cellular and are sometimes not classified as life forms

how do some bacteria respond to adverse environmental conditions

bacteria from endospores

the most common mode of reproduction in bacteria is

binary fission

how do bacteria move

by means of a rotating flagella

which is the only prokaryote to carry to carry o photosynthesis that generates oxygen

cyanobacteria

what is the purpose of the sex pili

to transmit DNA between bacteria