UNIT 2 (topic 1) virus cell

Question 1

how does the virus survive

Answer 1

non-living so duplicates by manipulating a host’s DNA

Question 2

function of the RNA/DNA

Answer 2

genetic material

Question 3

function of capsid

Answer 3

protein coat that contains the nucleic acid

Question 4

function of attachment proteins

Answer 4

allows the virus to identify and attach to host cells

Question 5

function of reverse transcriptase

Answer 5

converts RNA code to DNA to help utilise the host cell

Question 6

function of the lipid envolope

Answer 6

• only in some virus
• help package the virus duplicates when released from the host cell

Question 7

function of the viral matrix

Answer 7

• only in some virus
• proteins that link the lipid envelope to the viral core