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MCB-Viruses
PBSC-MCB- Viruses
| Question | Answer |
|---|---|
| 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 |
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callen-pbsc
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