Term
| Viral classification based on |
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Definition
Nucleic acid composition
Shape
Presence/absence of envelope
Specific tissues they invade |
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Term
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Definition
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Term
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Definition
| specific tissues within all living organisms |
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Term
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Definition
| contains nucleic acids surrounded by protein coat (the complete virus particle) |
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Term
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Definition
| Plant viruses with shot RNA molecules |
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Term
| Viruses may have: A) DNA B) RNA C) Both D)Either |
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Definition
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Term
| Viruses are either: A) single stranded B) double stranded C) either |
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Definition
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Term
| T/F: Viruses usually encode for metabolic genes |
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Definition
| False, rarely encode for metabolic genes |
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Term
| Most DNA viruses are A) ds B) ss |
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Definition
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Term
| Most RNA viruses are: A) ds B) ss |
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Definition
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Term
| The negative strand RNA is used: |
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Definition
| As a template to manufacture the positive strain |
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Term
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Definition
| The protein coat which surrounds the nucleic acid |
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Term
| What makes up most of the viral mass? |
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Definition
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Term
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Definition
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Term
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Definition
| A protein subunit that makes up the capsid |
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Term
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Definition
| A nucleic acid and capsid |
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Term
| Viruses and usually: A) monomorhpic B) polymorphic |
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Definition
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Term
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Definition
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Term
| Ebola Haemorrhagic virus is ______shaped |
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Definition
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Term
| Adenovirus and Poliovirus is ____shaped |
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Definition
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Term
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Definition
| Lipids, carbohydrates and protein |
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Term
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Definition
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Term
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Definition
| Spikes on the viral envelopes (glycoprotein extensions) |
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Term
| Influenza has what two types of spikes? |
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Definition
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Term
| Name an envelopes polyhedral virus: |
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Definition
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Term
| Name an enveloped helical virus: |
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Definition
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Term
| Most genes encode for proteins involved in: |
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Definition
Viral nucleic acid replication
Viral capsid assembly
Viral envelope assembly |
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Term
| 5 steps in the replication cycle of all viruses: |
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Definition
1. Attachment
2. Penetration
3. Nucleic acid and protein synthesis
4. Assembly of virions
5. Release |
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Term
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Definition
| Lytic cycle and Lysogenic cycle |
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Term
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Definition
1. Absorption/ attachment
2. Penetration
3. Biosynthesis
4. Maturation
5. Release |
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Term
| Common sites for bacteriophages to attach to |
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Definition
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Term
| What part of a bacteriophage enters the cell? |
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Definition
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Term
| What part of the bacteriophage penetrates the IM? |
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Definition
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Term
| RNA polymerase is utilized when? |
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Definition
| immediately after penetration |
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Term
For ssDNA phages the DNA polymerase is utilized:
And why? |
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Definition
First, before the RNA polymerase
To make the other strand to make dsDNA |
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Term
| Examples of Lytic bacteriophages: |
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Definition
T even (T2, T4,T6)> dsDNA
T3, T7 > dsDNA
MS2 > ssRNA
phiX174 > ssDNA |
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Term
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Definition
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Term
| Reproduction cycle of Lysogenic cycle: |
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Definition
1. Attachment
2. Penetration
3. Prophage
4. Biosynthesis
5. Maturation
6. Release |
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Term
| How does the Lysogenic cycle differen from the Lytic cycle? |
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Definition
No lysis of cell
Phage DNA is integrated into the host DNA |
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Term
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Definition
| the viral genome that remains in the bacterial genome |
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Term
| Protozoa can reproduce A) Asexually B) Sexually C) either |
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Definition
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Term
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Definition
| The vegetative form of the protozoa |
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Term
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Definition
| In unfavorable environmental conditions the protozoa produce a capsule (cyst) |
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