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EXAM 1 MCB 3020 BACUSMO QUESTIONS AND ANSWERS
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EXAM 1 MCB 3020 BACUSMO QUESTIONS AND ANSWERS
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Name: Score:76 Multiple choice questions
Term 1 of 76
Bacterial peptidoglycan is not a good target for antibiotics because it is present in human cells
as well, leading to host damage.
True
False
Term 2 of 76
Microbiologists study a variety of organisms, but all are considered either Bacteria or Archaea.
True
False
Term 3 of 76
Sterilization involves __________ all viable microorganisms.
Promoting Growth
Enhancing Resistance
Killing OR Removing
Isolating Microorganisms
Term 4 of 76
Mordants increase the binding between a stain and specimen.
True
False
,Term 5 of 76
Joseph Lister
pioneered the use of antibiotics in surgery.
developed the first successful organ transplant procedure.
revolutionized surgery by introducing phenol as a disinfectant.
introduced the concept of anesthesia in surgical procedures.
Term 6 of 76
When the end product of a pathway inhibits catalysis of the first step of that pathway, this
phenomenon is called
Allosteric inhibition
Competitive inhibition
Feedback inhibition
Allosteric regulation
Term 7 of 76
The __________ is a group of proteins needed for DNA synthesis that assembles at the origin of
replication.
ribosomes
golgi apparatus
transcription factors
replisome
,Term 8 of 76
__________________ are hollow tube-like structures that hold some archaeal daughter cells together
after cell division while____________ are grappling hook-like structures that appear to attach
archaeal cells to surfaces.
Capsules;peptidoglycan
Ribosomes;pili
Flagella;plasmids
Cannulae;hami
Term 9 of 76
___You are studying a newly discovered prokaryotic microorganism and are attempting to
determine whether it will be classified in the domain Bacteria or in the domain Archaea. All of
the following would be helpful in making that distinction except
Metabolic pathways
Ribosomal rna sequences
Presence or absence of double-stranded circular DNA genome
Cell wall composition
Term 10 of 76
The Calvin Cycle functions to construct carbohydrates from carbon dioxide.
True
False
Term 11 of 76
Nongrowing cells continuously degrade and resynthesize cellular molecules during a process
known as cellular turnover.
True
False
, Term 12 of 76
The organelle responsible for harvesting light as an energy source for photosynthesis is the
chlorine
chloroplast
endoplasmic reticulum
mitochondria
Term 13 of 76
As the difference in reduction potential between a redox pair increases, the amount of free
energy made available _______________.
decreases
increases
remains constant
fluctuates
Term 14 of 76
The simplest viruses consist of
Lipids in a carbohydrate coat.
Proteins in a lipid coat.
RNA or DNA in a protein coat.
Carbohydrates in a nucleic acid coat.
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