Microbiology UTA 2460 - Exam
3/Questions and Answers
Aerobic respiration is an example of... - -chemoheterotrophy
- Bacteria living in a freshwater stream that are moved to salty seawater
would... - -become dehydrated due to the loss of water
- The antiparallel arrangement within DNA molecules refers to... - -one helix
that runs from the 5' to 3' direction and the other strand runs from the 3' to
5' direction
- When microbes are in a close nutritional relationship, and one benefits but
the other is not harmed, it is called... - -commensalism
- The method of removing vegetative microbial life forms and debris is to
reduce contamination to safe levels is termed... - -sanitation
- Base pairs in DNA are held together by __ bonds... - -hydrogen
- All of the following pertain to transcription except... - -occurs on a ribosome
in the cytoplasm
- Place the following forms of radiation in order from the most penetrating to
the least penetrating... - -gamma, X-rays, cathode
- The movement of substances from lower to higher concentration across a
semipermeable membrane that must have a specific protein carrier and cell
expenditure of energy is called... - -active transport
- Each of the following is a target of antimicrobial agents except... - -
cytoplasm
- Who discovered transposons... - -Barbara McClintock
- A drug exhibiting which therapeutic index value would be the safest, most
effective to use on a patient... - -20
- Which of the following microorganisms would find hypotonic conditions
most detrimental... - -protozoa
- The shortest time required to kill all the microbes in a sample at a specified
temperature is called the... - -thermal death time (TDT)
3/Questions and Answers
Aerobic respiration is an example of... - -chemoheterotrophy
- Bacteria living in a freshwater stream that are moved to salty seawater
would... - -become dehydrated due to the loss of water
- The antiparallel arrangement within DNA molecules refers to... - -one helix
that runs from the 5' to 3' direction and the other strand runs from the 3' to
5' direction
- When microbes are in a close nutritional relationship, and one benefits but
the other is not harmed, it is called... - -commensalism
- The method of removing vegetative microbial life forms and debris is to
reduce contamination to safe levels is termed... - -sanitation
- Base pairs in DNA are held together by __ bonds... - -hydrogen
- All of the following pertain to transcription except... - -occurs on a ribosome
in the cytoplasm
- Place the following forms of radiation in order from the most penetrating to
the least penetrating... - -gamma, X-rays, cathode
- The movement of substances from lower to higher concentration across a
semipermeable membrane that must have a specific protein carrier and cell
expenditure of energy is called... - -active transport
- Each of the following is a target of antimicrobial agents except... - -
cytoplasm
- Who discovered transposons... - -Barbara McClintock
- A drug exhibiting which therapeutic index value would be the safest, most
effective to use on a patient... - -20
- Which of the following microorganisms would find hypotonic conditions
most detrimental... - -protozoa
- The shortest time required to kill all the microbes in a sample at a specified
temperature is called the... - -thermal death time (TDT)
