Microbiology UTA 2460 - Exam 3 Questions and Correct Answers
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Course
BIO 2460
Institution
BIO 2460
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 ...
Microbiology UTA 2460 - Exam 3
Questions and Correct 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)
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