Viruses Flashcards

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1
Q

Overall definition of viruses

A

Capsules of proteins that contain small amounts of genetic material (DNA RNA)
Reproduced only within host cell

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2
Q

Structure of viruses

A

Two or three parts
Molecule and protective protein coat sometimes and envelope
Capsid protect chromosome

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3
Q

Reproductive cycle

Of viruses

A

DNA: virus sheds protein coat DNA travels to nucleus DNA is copied and expressed by host
RNA: RNA serve as messenger to be translated to protein

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4
Q

Lyctic and lysogenic cycles

A

Lyctic: virus replaced cells DNA replicates before bursting out
Lysogenic: DNA/RNA of the virus is duplicated along with cells

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