Scelta multipla
In the lysogenic cycle of phages, __________.
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17. Viruses
Viruses
Scelta multipla
How do retroviruses, such as HIV, differ from other viruses?
A
They have much simpler reproductive cycles than other RNA viruses.
B
They contain DNA that is used as a template to make RNA.
C
They can reproduce only inside living cells.
D
They contain nucleic acids that code for proteins.
E
They can transcribe a DNA copy from a RNA template.
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Understand that retroviruses are a type of virus that have RNA as their genetic material.
Recognize that unlike other viruses, retroviruses use an enzyme called reverse transcriptase.
Reverse transcriptase allows retroviruses to transcribe their RNA into DNA once inside a host cell.
This newly synthesized DNA is then integrated into the host cell's genome, allowing the virus to replicate as the host cell divides.
This process of reverse transcription (RNA to DNA) is what differentiates retroviruses from other types of viruses, which typically do not reverse transcribe their RNA into DNA.
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