Viruses- Pre-Ap Biology

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Non-Living

A Virus is a ________ Particle

Bacteriophages

A virus that infects bacteria

Vaccines

A weakened or inactive version of a pathogen that stimulates the body's production of antibodies which can aid in destroying the pathogen

Lytic Cycles

Active (ex: Cold virus)

Envelope Definition

It matches the membrane of the hosts

Lysogenic Cycles

Latent (Ex: HIV)

Must Recognize

Lock and Key

Host

Lock and Key between virus and _______

Release of Virus by

Lysis or Exocytosis

Two types of cycles

Lytic & Lysogenic

Inject

May ____ Its nucleic acid into host

Attachment to the Host cell

Must *Recognize* cell Viruses only with a *capsid* *Viruses* with *Envelope* *" Lock and Key"* between virus and host

Host; Replicate

Must have "_______ cell" to _______

Kingdom; DNA (or RNA); protein coat; size; type

Not part of any _____. Classified by genetic material,______, _______ _______, ______, _____ of host it infects.

Viruses with RNA

Once inside the host, the retrovirus make DNA from their RNA by an enzyme in their capsid in their capsid called: Reverse Transcriptase DNA is made and then integrated in the host, becoming a provirus (ex :HIV)

Transcriptase

Once inside the host, the retrovirus make DNA from their RNA by an enzyme in their capsid in their capsid called: Reverse _________

Vacuole

P.Membrane of host brings virus in as a ________

What can destroy a virus

Phagoatic Cells Lymph Nodes Anitbodies Vaccines

Lymph Nodes

Phagocytic cells located these

Virus with only a capsid

Protein membrane

The shape

Proteins in the capsid determine ______ ________

Envelopes

Some have ______ surrounding the capsid

Anitbodies

Specialized proteins that aid in destroying infectious agents

Capsid

Surrounded by a

Capsid Definition

The outer protein coat

Four

Viruses can be in _______ Shapes

Exocytosis

When the virus fuses with the P.Membrane of the host, it takes some of the p.membrane with it. which becomes the Envelope

Lysogenic and Lypotenic Cycle Sequence (Copy Link into the top search bar and delete the last 4 little images and press search for the image)

http://en.wikipedia.org/wiki/File:Phage2.JPG

Lysis

Bursting of Cell

Determine

Capside and/or envelope will ________ which cells can be infected

Phagoatic Cells

Cells that destroy pathogens (Ex: some white blood cells)

provirus

DNA is made and then integrated in the host, becoming a _________ (ex :HIV)

Virus with envelope

Fuse in with cell

Viral Replication Cycles

Getting into the cell

DNA or RNA

Inner core of a nucleic acid


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