Inquizitive Exam 1 UPDATED ACTUAL Questions and CORRECT Answers
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Inqui
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Inqui
Inquizitive Exam 1 UPDATED ACTUAL
Questions and CORRECT Answers
A bacterium takes in DNA from a bacteriophage (bacterial virus) and then incorporates that
DNA into its genome. What process is this? - CORRECT ANSWER- Transduction
Which of the following oxygen classifications contain organisms i...
Inquizitive Exam 1 UPDATED ACTUAL
Questions and CORRECT Answers
A bacterium takes in DNA from a bacteriophage (bacterial virus) and then incorporates that
DNA into its genome. What process is this? - CORRECT ANSWER✔✔- Transduction
Which of the following oxygen classifications contain organisms incapable of causing
disease in humans? - CORRECT ANSWER✔✔- All classifications contain some organisms
capable of causing disease.
When the __________ cycle takes place, bacteriophage genetics enter a cell, and then the cell
makes many more bacteriophages and soon lyses. - CORRECT ANSWER✔✔- lytic
When the ___________ cycle takes place, phage DNA integrates into the bacterial
chromosome and simply replicates along with chromosomal replication. - CORRECT
ANSWER✔✔- lysogenic
The antibiotic penicillin works by inhibiting the enzymes that are needed for the synthesis of
peptidoglycan. Why is penicillin effective against Gram-positive cells but not against Gram-
negative cells? - CORRECT ANSWER✔✔- Gram-positive cells have nothing to hinder the
drug's access to the enzymes it will inhibit, whereas a Gram-negative cell's outer membrane
blocks access to the peptidoglycan of the cell wall.
Which term describes communities of various types of microorganisms that can adhere to
living and nonliving surfaces? - CORRECT ANSWER✔✔- Biofilm
What part of a bacterium does penicillin target? - CORRECT ANSWER✔✔- Cell wall
During glycolysis __________ is oxidized to __________ and _________ is reduced to
____________. - CORRECT ANSWER✔✔- glucose; pyruvate; NAD+; NADH
There are two major types of energy-yielding metabolism. The metabolism that derives
cellular energy from highly energized food molecules is called - CORRECT ANSWER✔✔-
chemotrophy
, Who won a Nobel Prize in 1905 for establishing a causative link between an infectious agent
and a disease? - CORRECT ANSWER✔✔- Robert Koch
According to the endosymbiotic origin of eukaryotic cells, the ancestor of the chloroplast is a
- CORRECT ANSWER✔✔- photosynthetic bacterium
The production of RNA complementary to a DNA template is known as________________. -
CORRECT ANSWER✔✔- transcription
All successful viral replication cycles must, at minimum, achieve which of the following
tasks? - CORRECT ANSWER✔✔- A. Assembly of progeny virions
B. Host recognition and attachment
C. Genome entry into host cell
D. Exit of virions and transmission
Which of the following is a potential problem with satisfying Koch's third postulate in
practice? - CORRECT ANSWER✔✔- Some disease-causing microorganisms only cause
infection in humans, so no animal models are available.
Koch's Postulates - CORRECT ANSWER✔✔- The bacteria must be present in every case of
the disease.
The bacteria must be isolated from the host with the disease and grown in pure culture.
The specific disease must be reproduced when a pure culture of the bacteria is inoculated into
a healthy susceptible host.
The bacteria must be recoverable from the experimentally infected host.
Which of the following molecules would NOT be found as part of a bacterial cell's complex
cell envelope? - CORRECT ANSWER✔✔- DNA
Who is credited with producing the strongest early microscope? - CORRECT ANSWER✔✔-
Antoine van L
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