Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
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


What is the definition of a virus? (O__ I___ B___ P___) Obligate intracellular biotrophic parasite
What do all viruses contain? A protein coat (Capsid) and a nucleic acid
What is another name for the protein coat of a virus? Capsid
What are the subunits of the capsid called? Capsomeres
What part of the virus is antigenic? Capsid/envelope
What is the classification of viruses, where proteins cover the exposed surfaces of the nucleic acid? (RNA) Helices
What is the classification of viruses where the DNA or RNA is surrounded by a protein structure? Polyhedrons
What shape is formed in polyhedron viruses? Icosahedron
What is an example of complex viruses? (T2) Bacteriophage
Attachment, penetration and release do not occur in plant viruses. What do they then rely on? Vectors
When the genetic material is incorporated into the genome in the lysogenic cycle, what is it the resulting chromosome called? Prophage
What is the process of incorporating new DNA into a host cell genome? Transduction
What is the release of the viral chromosome called? Induction
When does the induction occur? Only in harsh environments
What enzyme do retroviruses contain? Reverse transcriptase
What is so special about retroviruses? They make dsDNA from ssRNA, and incorporate this newly formed DNA into the host genome
Created by: Jake_Bark