Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


PBSC-MCB- Viruses

The ____ cycle of viral infection produces new viral particles. Lytic
The subunit of a capsid is known as a _____. Capsomere
Glycoprotein spikes are also known as _____. Anti-receptors
The T4 bacteriophage has anti-receptors on the end of its _____. tails
A _____ is the viral DNA incorporated into an animal cell's genome. Provirus
On an animal cell, receptors are located on the _____ plasma membrane
______ is the term for the transfer of DNA between host cells by a viral particle. Transduction
The capsid remains _____ the bacterial cell when a T4 phage infects a bacterial cell. outside
Name the 2 RNA oncogenic viruses associated with leukemia. HTLV-1 and HTLV-2
The attachments for the virus on the outside of a host cell are known as _____. Receptors
Reverse transcriptase is an _____. enzyme
Gene _____ causes the cell to produce large amounts of the gene products because the gene is repeated many times. amplification
Infectious agents composed only of protein are called _____. Prions
Naked animal cell viruses enter the cell by _____. Endocytosis
Name all 4 types of latent viral infections mentioned in your notes. HHV-1, HHV-2, HHV-3, HIV
On the bacterial cell, where are the receptors located? cell wall
What 2 diseases are considered slow viral infections? HIV and Measles
Corynebacterium diptheriae has its _____ gene carried on a prophage. toxin
_____ viruses can act as mRNA and make protein immediately. +ssRNA
What does PFU stand for? Plaque Forming Unit
The term for viral DNA integrated into a bacterial genome is ________. Prophage
Enveloped animal cell viruses enter the cell by _____. Fusion
_____ is an oncogenic virus associated with liver cancer. HBV
The term for the clear areas on a plate where the virus has destroyed the bacteria are known as _____. Plaques
_____ is an oncogenic virus responsible for Nasopharyngeal carcinoma and Burkiett's Lymphoma. HHV-4
"Naked" viruses do not have an ______. Envelope
Reverse transcriptase catalyzes the formation of _____ from _____ which is the exact opposite of the normal process of information flow. DNA ; RNA
_____ is the term for the movement of oncogenes from one locus to another on the chromosome. Translocation
The virion obtains an envelope from the _____ _____. host cell
The term for a capsid structure that has a shape like a geodesic dome where the capsomeres form an equilateral triangle. Icosahedral
_____ are 2 oncogenic viruses associated with cervical cancer. Papillomavirus and HHV-2
What is the term used to describe the protein coat of a virus particle? Capsid
The anti-receptors are found on the _____. Virus
Uncoating of an animal cell virus involves separation of the capsid from the viral ____ ____ upon penetration into the cell. nucleic acid
Name 2 types of virus that carry a reverse transcriptase. HIV-1 and HIV-2
The _____ cycle of viral infection occurs when the viral DNA is inserted into the bacterial chromosome. Lysogenic
What are the names of the 2 glycoprotein spikes on the Influenza virus? Neurominidase and Hemaglutinnin
The term for a capsid morphology that is a hollow cylinder. Helical
SARS-CoV-2 antireceptors are _______. S Glycoproteins
The receptors for SARS-CoV-2 are known as ________. hACE2
hACE2 stands for ____________. Human angiotensin converting enzyme
What is the Capsid morphology of the SARS-CoV-2 virus? Helical
What is the main mode of transmission for SARS-CoV-2? Vehicle transmission (droplet)
SARS-CoV-2 enters the host cell by the ________ mechanism. fusion
Popular Biology sets



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards