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Microbiology Exam 1 Review Flashcards | StudBud
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Microbiology Exam 1 Review
Microbiology Exam 1 Review
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1
What is the energy currency of the cell?
ADP
ATP
Nucleotides
Nitrogen
2
What is the FIRST step of the Scientific Method?
Make an observation
Collect data
Draw conlcusions
Form a hypothesis
3
Bacterial cells replicate through a process called "Mitosis".
True
False
4
What is the product of the Glycolysis and what happens to this product in Aerobic and Anaerobic respiration?
Acetyl CoA - it needs to be converted to Pyruvate to enter the Krebs Cycle
Pyruvate - it goes straight to the Krebs Cycle
Pyruvate - it needs to be converted to Acetyl CoA to enter the Krebs Cycle
Pyruvate - it needs to be converted to Acetyl CoA to enter the ETC
5
What part of the bacterial cell envelope is stained during a Gram Stain?
Cell wall
Cell membrane
glycocalyx
Porins
6
The fermentative process only goes through Glycolysis and oxygen is not required.
True
False
7
The "generation time" or "doubling time" refers to the time it take a bacterial cell to double in size.
True
False
8
Who developed a list of postulates in order to connect a microorganism to a specific disease?
Lister
Gram
Koch
Jenner
9
What is the function of flagella.
replication (ex. prokaryotes diving by the process of binary fission)
motility (ex."taxis" - moving in reponse to environmental stimuli)
nutrient absorbtion (ex. transporting proteins across the membrane)
Cell wall structure (provides stability and rigidity leading to cell shape)
10
Where does Glycolysis take place in Prokaryotes and Eukaryotes?
cytoplasm for both
cytoplasm of prokaryotes and cell membrane of eukaryotes
cell membrane for both
cell membrane of prokaryotes and mitochondria for eukaryotes
11
Bacteria have linear genomes.
False
True
12
Aerobic Respiration makes the most ATP from one molecule of glucose compared to Anaerobic Respiration and Fermentation.
False
True
13
Lipopolysaccharide (LPS) is composed of Lipid A, an endotoxin.
True
False
14
What type of flagellar arrangement is shown below?
lophotrichous
peritrichous
monotrichous
amphitrichous
15
During which stage of the bacterial growth curve are the bacterial cells exhibiting exponential growth.
Lag phase
Log phase
Death phase
Stationary phase
16
What acts as the final electron acceptor for Aerobic respiration?
nitrate
oxygen
pyruvate
carbon dioxide
17
Which type of enzymatic inhibition involves the "allosteric site".
competitive inhibition
non-competitive inhibition
18
What type of bacteria is growing in tube #2?
An obligate aerobe
A microaerophile
An obligate anaerobe
An aerotolerant anaerobe
19
Which of the following organisms has peptidoglycan in the cell wall?
Influenza (virus)
Halobacterium (Archaea)
E. coli (Bacteria)
Plasmodium falciparum (protozoan)
20
Enzymes are made of proteins or have a protein component.
False
True
21
During which stage of the bacterial growth curve does "replication=cell death" because resources are limited.
Stationary phase
Lag phase
Death phase
Log phase
22
Both Prokaryotes and Eukaryotes have ribosomes.
True
False
23
One enzyme may have multiple functions and catalyze a variety of reactions.
True
False
24
Who was one of the first induviduals to endorse and advocate for HANDWASHING in the medical field.
Gram
Pasteur
Koch
Semmelweis
25
ALL microbes are..
microscopic
motile
eukaryotes
prokaryotes
26
What is the major structual component of a bacterial cell wall?
lipopolysaccharide (LPS)
peptidoglycan
phospholipid bilayer
Capsule
27
Gram Positive cell walls stain pink after a Gram Stain.
True
False
28
Who finally dispelled the theory of spontaenous generation by documenting experiements using the Scientific Method?
Jenner
Pasteur
Ehrlich
Semmelweis
29
All microbes require oxygen and use Aerobic Respiration.
False
True
30
Only Prokaryotes have a cell membrane.
False
True
