Podcast
Questions and Answers
What type of genome do retroviruses have?
What type of genome do retroviruses have?
- Single-stranded negative-sense RNA
- Single-stranded positive-sense RNA (correct)
- Double-stranded DNA
- Circular RNA
Retroviruses are non-enveloped viruses formed by budding from the cell membrane
Retroviruses are non-enveloped viruses formed by budding from the cell membrane
False (B)
Which enzyme allows retroviruses to integrate into the host genome?
Which enzyme allows retroviruses to integrate into the host genome?
- Reverse transcriptase
- DNA polymerase
- Integrase (correct)
- RNA polymerase
When the retrovirus has integrated the host genome, it’s not considered a virus yet. It’s still a provirus
When the retrovirus has integrated the host genome, it’s not considered a virus yet. It’s still a provirus
How can retroviruses alter the host genome?
How can retroviruses alter the host genome?
What is the morphology of a retrovirus?
What is the morphology of a retrovirus?
What is found inside the nucleocapsid of a retrovirus?
What is found inside the nucleocapsid of a retrovirus?
What are the three enzymatic functions of reverse transcriptase?
What are the three enzymatic functions of reverse transcriptase?
Why are retroviruses easily inactivated by detergents and heat?
Why are retroviruses easily inactivated by detergents and heat?
Which of the following is resistant to ultraviolet or X-rays?
Which of the following is resistant to ultraviolet or X-rays?
What is the function of the gag gene in retroviruses?
What is the function of the gag gene in retroviruses?
Each RNA genome is between __ & __ kb
Each RNA genome is between __ & __ kb
The virion of retroviruses has at least 3-4 important genes
The virion of retroviruses has at least 3-4 important genes
The pol gene encodes which enzyme(s)?
The pol gene encodes which enzyme(s)?
Which retroviral gene is responsible for encoding envelope proteins?
Which retroviral gene is responsible for encoding envelope proteins?
What is the function of the pro gene?
What is the function of the pro gene?
Which of the following is a characteristic of alpharetroviruses?
Which of the following is a characteristic of alpharetroviruses?
What is an example of alpha retrovirus?
What is an example of alpha retrovirus?
Alpharetrovirus is referred to as simple retroviruses
Alpharetrovirus is referred to as simple retroviruses
Alpharetrovirus is exclusively exogenous viruses of chickens
Alpharetrovirus is exclusively exogenous viruses of chickens
What is the difference between endogenous and exogenous retroviruses?
What is the difference between endogenous and exogenous retroviruses?
Which retrovirus group has the largest number of members?
Which retrovirus group has the largest number of members?
Gammaretroviruses are also simple retroviruses
Gammaretroviruses are also simple retroviruses
Which of the following is an example of a gammaretrovirus?
Which of the following is an example of a gammaretrovirus?
Which of the following is another example of a gammaretrovirus?
Which of the following is another example of a gammaretrovirus?
Gammaretrovirues contain both endogenous and exogenous retroviruses of mammals and _________
Gammaretrovirues contain both endogenous and exogenous retroviruses of mammals and _________
What is an example of a deltaretrovirus?
What is an example of a deltaretrovirus?
Deltaretrovirues are considered complex retroviruses
Deltaretrovirues are considered complex retroviruses
The other famous example of Deltaretrovirus is bovine leukemia virus
The other famous example of Deltaretrovirus is bovine leukemia virus
What is the main characteristic of lentiviruses?
What is the main characteristic of lentiviruses?
Which of the following is an example of a lentivirus?
Which of the following is an example of a lentivirus?
Which lentivirus affects goats and causes arthritis and encephalitis?
Which lentivirus affects goats and causes arthritis and encephalitis?
Which of the following Genuses is NOT a complex retrovirus?
Which of the following Genuses is NOT a complex retrovirus?
Flashcards
Retrovirus genome type?
Retrovirus genome type?
Single-stranded positive-sense RNA.
Retroviruses: enveloped or non-enveloped?
Retroviruses: enveloped or non-enveloped?
False. Retroviruses are enveloped viruses that acquire their envelope by budding from the cell membrane.
Retroviral integration enzyme?
Retroviral integration enzyme?
Integrase allows retroviruses to integrate their genetic material into the host cell's DNA.
Integrated retrovirus called?
Integrated retrovirus called?
Signup and view all the flashcards
How do retroviruses alter host genome?
How do retroviruses alter host genome?
Signup and view all the flashcards
Retrovirus morphology?
Retrovirus morphology?
Signup and view all the flashcards
Nucleocapsid contents?
Nucleocapsid contents?
Signup and view all the flashcards
Reverse transcriptase functions?
Reverse transcriptase functions?
Signup and view all the flashcards
Retrovirus sensitivity?
Retrovirus sensitivity?
Signup and view all the flashcards
Resistant to UV/X-rays?
Resistant to UV/X-rays?
Signup and view all the flashcards
Function of gag gene?
Function of gag gene?
Signup and view all the flashcards
Retroviral RNA size?
Retroviral RNA size?
Signup and view all the flashcards
Retroviruses have important genes?
Retroviruses have important genes?
Signup and view all the flashcards
pol gene encodes?
pol gene encodes?
Signup and view all the flashcards
Gene for envelope proteins?
Gene for envelope proteins?
Signup and view all the flashcards
Function of pro gene?
Function of pro gene?
Signup and view all the flashcards
Characteristic of alpharetroviruses?
Characteristic of alpharetroviruses?
Signup and view all the flashcards
Example of alpha retrovirus?
Example of alpha retrovirus?
Signup and view all the flashcards
Alpharetrovirus are simple retroviruses?
Alpharetrovirus are simple retroviruses?
Signup and view all the flashcards
Alpharetrovirus exclusively exogenous viruses of chickens?
Alpharetrovirus exclusively exogenous viruses of chickens?
Signup and view all the flashcards
