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MCB3020 FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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MCB3020 FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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Name: Score:231 Multiple choice questions
Term 1 of 231
Consider a biochemical pathway with five steps that lead to the production of product Q. If
there is an abundance of product Q, the most efficient way to slow down the entire pathway
would be to regulate...
the promoter sequence
the first enzyme in the pathway
every enzyme in the pathway
the second enzyme in the pathway
Term 2 of 231
The analysis of genetic relatedness by observing the DNA fragmentation patterns resulting
from restriction endonuclease cleavage is referred to as ______.
genetic fingerprinting
dna sequencing
gene editing
protein synthesis
Term 3 of 231
The disinfectant of choice for municipal water supplies is...
sodium
iodine
calcium
chlorine
,Term 4 of 231
Nucleotides are the building blocks of...
Lipids
Double Stranded Rna
both DNA and RNA
formation Of a Holoenzyme
Term 5 of 231
The __________ is the electron acceptor in a redox reaction.
precipitate
catalyst
reductant
oxidant
Term 6 of 231
The terms phototroph and chemotroph refer to an organism's source of...
energy
entropy
lipids
water
Term 7 of 231
T/F: Although there are other classification schemes for prokaryotes, the one used in Bergey's
Manual is currently considered by most microbiologists to be the most accurate.
True
False
,Term 8 of 231
Which of the following is not a category of symbiosis?
communalism
competition
ammensalism
mutualism
Term 9 of 231
The science dealing with classification is called ______.
botany
anatomy
taxonomy
zoology
Term 10 of 231
Who of the following developed a set of criteria that could be used to establish a causative
link between a particular microorganism and a particular disease?
Jenner
Lister
Koch
Pasteur
Term 11 of 231
Which of the following occurs first in transcription?
it recognizes the promoter region
formation of a holoenzyme
elongation of the mrna
none of the choices are correct.
, Term 12 of 231
__________ alter repressor proteins thereby increasing the rate of transcription initiation.
inhibitors
cofactors
inducers
substrates
Term 13 of 231
When members of the normal microbiota of the human body become pathogenic and
produce disease under certain circumstances, they are referred to as ______________ pathogens.
resistant
commensal
virulent
opportunistic
Term 14 of 231
The minimal lethal concentration (MLC) is the...
lowest concentration of a drug that kills a particular pathogen
the saturation of the transport proteins for nutrient uptake
concentration of a drug that promotes pathogen growth
concentration of a drug that has no effect on the pathogen
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