Escherichia coli and Salmonella can live in our intestines in the presence or absence of oxygen. They are consideredMultiple Choiceobligate anaerobes.phototrophs.facultative anaerobes.autotrophs.aerobic.

Which organism is able to live in atmospheric O2?Group of answer choicesObligate anaerobeAerotolerant anaerobeObligate aerobeMicroaerophileobligate aerobe, microaerophile and aerotolerant anaerobeNext

An organism that can use gaseous oxygen in metabolism and has the enzymes to process toxic oxygen products is a(n) A. aerobe. B. obligate aerobe. C. facultative anaerobe. D. microaerophile. E. obligate anaerobe.

What characteristic defines anaerobic bacteria?Multiple choice question.They require oxygen (O2).They do not use oxygen (O2).They produce oxygen as a waste gas.They do not require a substrate and can live suspended in the air.

Bacteria found in the large intestine produce _____; without the bacteria _____.a) protein; the electron transport chain is interruptedb) toxins; the cells’ store of energy is increasedc) carbohydrates; weight loss may occurd) nutrients; vitamin deficiencies may result

Bacteria that live in anoxic or low-oxygen conditions in marine sediments are Blank______ bacteria.Multiple choice question.halophilicanaerobicoligotrophicaerobic