Exam (elaborations)
Textbook of Diagnostic Microbiology, 6th Edition By Connie Mahon
- Course
- Institution
- Book
Textbook of Diagnostic Microbiology, 6th Edition By Connie Mahon
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Textbook of Diagnostic Microbiology, 6th Edition By Connie Mahon
-
Textbook of Diagnostic Microbiology, 6th Edition By Connie Mahon
-
Mahon Textbook of Diagnostic Microbiology, 6th Edition Test Bank
Seller
Follow
kushboopatel6867
Reviews received
Content preview
TEST BANK For Textbook of Diagnostic Microbiology,6th Edition By Connie Mahon
The peptidoglycan layer in the Gram negative cell wall is - ANSWER:thin
Bacterial plasmids - ANSWER:carry virulence related genes
do not have housekeeping genes
are circular DNA molecules
Pilli are present in gram positive bacteria only, while flagella are present in Gram
negative bacteria only - ANSWER:false
The F plasmids in bacteria have an essential role in - ANSWER:initiating bacterial
conjugation
The duplication of a DNA molecule in bacteria always starts at the position called -
ANSWER:origin of replication
replication fork
HIV is NOT diagnosed by - ANSWER:cell culture
Sterilisation is - ANSWER:Is the killing or removal of all viable organisms - bacteria
spores and viruses
Which is not a physical factor used in Sterilization - ANSWER:disinfection
Genetic transformation in microbes - ANSWER:can be demonstrated in infected
laboratory animals such as mice
is easier in competent cells
can occur when a bacteriophage infects a bacterial cell
occurs when DNA is incorporated into a recipient cell and leads to genetic changes
Microbial transduction - ANSWER:is the packaging of bacterial DNA inside a newly
formed bacteriophage molecule
A segment of DNA that can move from one site to another on the same or a different
DNA molecule is called - ANSWER:transposable element
Bacterial endotoxins are - ANSWER:cellular components released upon cell lysis
Integral membrane proteins are - ANSWER:firmly embedded in the cytoplasmic
membranes of bacterial cells
, The prokaryotic ABC transport system - ANSWER:is not a simple transport system
requires energy in the form of ATP molecules
is often involved in the uptake of organic compounds and inorganic nutrients
displays high substrate specificity
5-Bromouracil is - ANSWER:a nucleotide base analogue
A microbial cell can contain more than one plasmid, but they must be -
ANSWER:from different incompatibility groups
Most areas of skin including sweat glands are colonised with Gram negative bacteria
- ANSWER:False
the skin is colonised mostly with G+ve bacteria
The lower respiratory tract lacks microflora in healthy individuals - ANSWER:true
E. coli and P. mirabilis frequently cause - ANSWER:urinary tract infections in women
Invasiveness - ANSWER:Can cause damage without producing a toxin
is the ability of a pathogen to grow in host tissue at densities that inhibit host
function
Staphylococcal alpha toxin has both cytolytic and hemolytic activities - ANSWER:true
this toxin kills nucleated cells and also lyses erythrocytes
Supercoiling is important for DNA structure, because - ANSWER:it condenses the
DNA so that it can fit inside the cell
Which of the following statements is INCORRECT regarding mutations in bacterial
cells? - ANSWER:Mutations are NOT immediately expressed because the bacterial
cell is diploid
The most critical step in the use of 16Sr RNA sequence data in phylogenetic studies is
- ANSWER:Matching the gene sequence to the sequences in the reference data bank
In bacterial cytoplasmic membranes - ANSWER:hydrophilic portions remain exposed
to external environment or to cytoplasm
fatty acids point inward to form a hydrophobic environment
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 kushboopatel6867. 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)
50064 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now