100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MCB 3020 Lab Exam Questions and Answers £8.34   Add to cart

Exam (elaborations)

MCB 3020 Lab Exam Questions and Answers

 4 views  0 purchase
  • Module
  • MCB 3020
  • Institution
  • MCB 3020

Unlike most enveloped viruses involve the host ______ membrane in the formation of their envelope - Answer-Nuclear The most common type of molecule found on the surface of animal viruses for interacting with host cell receptors is a(n) - Answer-Glycoprotein Which of the following does not use...

[Show more]

Preview 2 out of 5  pages

  • October 9, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCB 3020
  • MCB 3020
avatar-seller
MCB 3020 Lab Exam Questions and
Answers
Unlike most enveloped viruses involve the host ______ membrane in the formation of
their envelope - Answer-Nuclear

The most common type of molecule found on the surface of animal viruses for
interacting with host cell receptors is a(n) - Answer-Glycoprotein

Which of the following does not use RNA as the genome? - Answer-Poxvirus

A _____ infection is one on which the virus quotes reproducing and remains dormant for
a period before becoming active again - Answer-Latent

Phage T4 protects its DNA from cleavage by host restriction enzymes by - Answer-
Substituting glucosylated hydroxymethylcytosine for cytosine

Lysogeny always requires integration of the viral genome into the host chromosome -
Answer-False

The protein required for the establishment and maintenance of lysogeny in cells infected
with the temperature bacteriophage lambda is the - Answer-Lambda repressor

The latent form of bacteriophage genome that exists when a phage establishes
lysogeny is called a - Answer-Prophage

Bacteriophage that only exhibit lyric replication cycles are called _____ phage - Answer-
Virulent

Which of the following is not a function of the replicative form of phage phiX174 -
Answer-Direct the synthesis of minus-stranded DNA

A group of viruses that cause severe diarrhea, resulting in over 600,000 deaths
worldwide annually is the - Answer-Rotavirus

In order for bacteriophage to be released from the host by a lysis mechanism, enzymes
are required that - Answer-Damage the cell wall and cytoplasmic membrane

Retroviruses have +ssRNA as their genome. In order to complete an infection, they
must first make a _____ molecule, which they use to direct the synthesis of mRNA -
Answer-DsDNA

Any organism that can cause disease in the host after direct interaction is a - Answer-
Primary pathogen

, Inanimate materials involved in pathogen transmissions are called vomited - Answer-
TRUE

Infection specifically refers to the multiplication of a pathogen on or within a host, and
includes the resulting tissue invasion and damage - Answer-True

Pathogenically islands are typically associated with - Answer-Genes encoding tRNA

Which of the following is used to help protect the lungs from infection - Answer-All of the
choices

Turbulent airfoil deposits airborne pathogens on sticky mucosal surfaces
the mucociliary escalator moves trapped organisms away from he lungs by ciliary action
Coughing and sneezing forcefully expel organisms away from the lungs

The skin surface (epidermis) is very favorable environment for colonization by
microorganisms - Answer-False

Cervical mucus has antibacterial activity - Answer-True

Pathogen associated patterns PAMPs include - Answer-Two of the choices

lipopolysaccharide

peptidoglycan

In the case of AB toxins, the function of the B subunit is to - Answer-Bind to host cell
receptor

Which of the following is not a way in which fever augments the host's defense> -
Answer-Inhibition of the parasite's growth by raising the temperature above the optimum
growth temperature

Cytokines - Answer-Play key roles in both specific and non-specific immunity and are
required fro regulation of the immune response

The alternative complement pathway plays an important role in - Answer-Innate
immunity

Dendritic cells - Answer-Are capable of recognizing specific pathogens-associated
patterns and play an important role in non-specific resistance

Which of the following releases histamine - Answer-Mast cells

basophiles

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 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 lectknancy. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £8.34. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

84866 documents were sold in the last 30 days

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

Start selling
£8.34
  • (0)
  Add to cart