100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Microbiology Exam 2 uiowa Knudtson Questions & 100% Correct Answers CA$19.55   Add to cart
Quickly navigate to
Preview
  2.  
  3. Microbiology
  4.  
  5. Microbiology

Exam (elaborations)

Microbiology Exam 2 uiowa Knudtson Questions & 100% Correct Answers
 11 views  0 purchase
  • Course
  • Microbiology
  • Institution
  • Microbiology

What kind of cells can viruses infect? ~~> viruses infect every type of cell, including bacteria, algae, fungi, protozoa, plant, and animals Are viruses alive? ~~> two sides of the debate: 1. since viruses are unable to replicate independently from the host cell, so no, not alive 2...

[Show more]

Preview 4 out of 65  pages

Document information

  • September 12, 2024
  • 65
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • microbiology exam 2 uiowa knudtson questions 100
  • what kind of cells can viruses infect virus

Written for

  • Microbiology
  • Microbiology

Seller

avatar-seller
ExamArsenal

Reviews received

Content preview

1 | P a g e | © copyright 2024/2025 | Grade A+




Microbiology Exam 2 uiowa Knudtson
Questions & 100% Correct Answers
What kind of cells can viruses infect?

✓ ~~> viruses infect every type of cell, including bacteria, algae, fungi,

protozoa, plant, and animals




Are viruses alive?

✓ ~~> two sides of the debate:

1. since viruses are unable to replicate independently from the host cell, so

no, not alive

2. even though viruses do not exhibit most of the life processes of cells, they

can direct them, so more than inert (lacking strength/ability to move) and

lifeless molecules




viruses are better described as active or inactive rather than dead or alive




What does it mean if a virus is described as inactive?

✓ ~~> cannot replicate




What does it mean if a virus is described as active?




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+



✓ ~~> has the ability to get into a host cell and replicate and spread




What role do viruses play in evolution?

✓ ~~> infect cells and influence their genetic makeup

shape the way cells, tissues, bacteria, plants, and animals have evolved

10% of the human genome consits of sequences that come from viruses

10-20% of bacterial DNA contains viral sequences




What does it mean that viruses are obligate intracellular parasites?

✓ ~~> cannot multiply unless they invade a specific host cell and instruct

its genetic and metabolic machinery to make and release new viruses




What unit are viruses measured in?

✓ ~~> nanometers




What are the viral components?

✓ ~~> covering (capsid and maybe envelope)

central core (nucleic acid molecules, matric proteins, and maybe enzymes)




What is a capsid?




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+



✓ ~~> protein shell that surrounds the nucleic acid




What is a nucleocapsid?

✓ ~~> the capsid together with the nucleic acid




What does the covering of naked viruses consist of?

✓ ~~> just a nucleocapsid




What is an envelope?

✓ ~~> external covering of a nucleocapsid, usually a modified piece of

the host's cell membrane




What are spikes?

✓ ~~> can be found on naked or enveloped viruses

project from the nucleocapsid or the envelope

allow viruses to dock with host cells




What is a virion?

✓ ~~> a fully formed virus that is able to establish as infection in a host

cell




Master01 | September, 2024/2025 | Latest update

, 4 | P a g e | © copyright 2024/2025 | Grade A+



What is the most prominent feature of viruses?

✓ ~~> the viral capsid




What is a viral capsid composed of?

✓ ~~> identical protein subunits called capsomere




How do capsomeres assemble into a viral capsid?

✓ ~~> capsomeres spontaneously self-assemble into the finished capsid




What are the three different orientations of capsomeres in a viral capsid?

✓ ~~> helical

icosahedral

complex




What do enveloped viruses take with them when they are released from a

host cell?

✓ ~~> they take a bit of the host's cell membrane




Where can enveloped viruses bud from?

✓ ~~> cell membrane

nuclear envelope


Master01 | September, 2024/2025 | Latest update

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 ExamArsenal. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$19.55. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 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
CA$19.55
  • (0)
  Add to cart