100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Microbiology by OpenStax , 1st Edition by Nina Parker, $17.99   Add to cart

Exam (elaborations)

Microbiology by OpenStax , 1st Edition by Nina Parker,

 7 views  0 purchase
  • Course
  • Institution
  • Book

Microbiology by OpenStax , 1st Edition by Nina Parker,

Preview 3 out of 20  pages

  • August 17, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
avatar-seller
Test Bank for Microbiology by OpenStax , 1st Edition by Nina
Parker, 9781938168147, Covering Chapters 1-26 | Includes
Rationales

Penicillin controls bacterial growth by:
A) preventing synthesis of the lipopolysaccharide layer
B) inhibiting protein synthesis
C) preventing cross-link formation in peptidoglycan
D) preventing generation of the proton motive force - ANSWER: preventing cross-link formation in
peptidoglycan

Reproduction via binary fission leads to what type of growth under optimal conditions:
A) linear
B) mixed
C) exponential
D) uptake-limited - ANSWER: exponential

Protection against osmotic lyses is provided by:
A) lysosomes
B) the cellular plasma membrane
C) the cell's capsule
D) the cell wall - ANSWER: the cell wall

Name associated with the presense of a cell wall and a capsule together in a bacterial cell wall:
A) the envelope
B) the capsule
C) the cytoplasmic membrane D) the cell wall - ANSWER: the envelope

Which of the following is true about the lag phase:
A) cells adapt to a new medium B) in some cases it may be very short
C) cells replenish spent materials
D) all of the above - ANSWER: all of the above

A student is asked by the professor to sub-culture a bacterial organism onto fresh media for future
studies. However during sub-culturing the students lock the test tube preventing oxygen flow into the
media. After days the culture dyes. What type of culture did the student have at hand:
A) obligate aerobe
B) strict anaerobe
C) facultative anaerobe
D) none of the above - ANSWER: obligate aerobe

Staining procedure designed for bacterial families with high lipid content and resistant to standard
staining:
A) gram stain
B) negative staining
C) acid fast staining
D) simple stain - ANSWER: acid fast staining

Which of the following is not considered a starvation response?
A) endospore formation
B) synthesis of starvation proteins
C) cell death at a logrtihmic rate D) a decrease in cellular size and nucleoid condensation - ANSWER:
cell death at a logrtihmic rate

,Organelle responsible for the synthesis of protein in a eukaryotic cell:
A) the smooth ER
B) the rough ER
C) the Golgi complex
D) the nucleus - ANSWER: the rough ER

Which of the following is the most important structure related to microbial attachment to cells? A)
flagellum
B) plasmid
C) peptidoglycan
D) glycocalix - ANSWER: glycocalix

Which of the following statement(s) is/are correct when comparing prokaryotic and eukaryotic
genome?
A) bacteria mostly have one circular DNA molecule
B) Eukaryotes have linear DNA C) Both A and B
D) None of the above - ANSWER: Both A and B

___________ membranes allow some molecules to pass but not all.
A) Permeable
B) Inverted Membrane
C) Selectively Membrane
D) Impermeable - ANSWER: Selectively Membrane

The ribosome binding site
A) forms a stem-loop structure in the RNA
B) is located upstream of the promoter sequence
C) is located immediately upstream of the start codon
D) is more likely to be associated with an operon than with a gene encoding a single protein -
ANSWER: is located immediately upstream of the start codon

The nucleus of a eukaryote does not contain
A) nuclear membrane
B) nucleoid
C) nuclear pores
D) nucleolus - ANSWER: nucleoid

The protein coat and lipid envelopes are components that help to protect the viral
A) capsid
B) genome
C) tegument
D) spikes - ANSWER: genome

Which of the following helps protect bacteria from lysis in dilute solution and helps to determine
cellular morphology?
A) plasma membrane
B) capsule
C) gas vacuoles
D) cell wall - ANSWER: cell wall

Chapter 35 Questions Parasite are organisms that
A. Live in a host
B. Depend metabolically on the host
C. Can cause disease
D. All of the above - ANSWER: All of the above

Opportunistic pathogens are different from primary pathogens because

, A. Opportunistic pathogens causes disease by direct interaction with the healthy host
B. Opportunistic pathogens are part of a normal flora that can causes disease when it gains access to
other sites or the host is immunocompromised
C. There are no differences between primary and opportunistic pathogens
D. Primary pathogens only cause disease in an immunocompromised host - ANSWER: Opportunistic
pathogens are part of a normal flora that can causes disease when it gains access to other sites or the
host is immunocompromised

Pathogenicity is the ability to
A. Ability of a parasite to cause disease
B. The ability of a parasite to generate a pathway
C. The ability of a parasite to grow rapidly in a short amount of time
D. None of the above - ANSWER: Ability of a parasite to cause disease

Which of these are part of the chain of infection?
A. Agent identity
B. Virulence of agent
C. Half-life of the agent
D. All of the above
E. A and B - ANSWER: A and B

What is a reservoir in terms of pathogens?
A. A place inside the pathogen where materials are stored
B. The human body that the pathogen infects
C. The natural environmental location in which the pathogen normally resides - ANSWER: The natural
environmental location in which the pathogen normally resides

What allows a pathogen to outcompete host cells and resist their defenses?
A. A suitable environment
B. Competition with other host cells
C. Transcription factors
D. Virulence factors - ANSWER: Virulence factors

What are intoxications?
A. Diseases that results from entry of a specific preformed toxin into the host
B. A condition caused by toxins in the blood of the host
C. The condition of being drunk
D. The ability of a host to fight against a toxin - ANSWER: Diseases that results from entry of a specific
preformed toxin into the host

Symptoms are
A. Objective changes experienced by the patient
B. Objective changes in the body that can be directly observed
C. Subjective changes experienced by the patient
D. Subjective changes in the body that can be directly observed - ANSWER: Subjective changes
experienced by the patient

Give the correct order of the course of infection
A. Prodromal stage, incubation period, period of illness, convalescence
B. Incubation period, prodromal stage, period of illness, convalescence
C. Convalescence prodromal stage, incubation period, period of illness
D. Period of illness, convalescence, prodromal stage, incubation period - ANSWER: Incubation period,
prodromal stage, period of illness, convalescence

Pathogenicity Islands
A. Increases bacterial virulence
B. Absent in nonpathogenic members

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller phinta004. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $17.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$17.99
  • (0)
  Add to cart