virus - lqc 3a

Question 1

enzymes in viruses

Answer 1

some viruses contain enzymes needed for their replication process

Question 2

nucleic acid in viruses

Answer 2

can be double stranded dna, single stranded dna or single stranded rna

Question 3

glycoprotein in viruses

Answer 3

are recognised by the hosts immune system as non-self. they therefore act as antigens

Question 4

envelope in viruses

Answer 4

taken from host cells surface membrane. it contains lipids and proteins. helped the virus attach to the host cell and penetrate the cell surface membrane

Question 5

capsid in viruses

Answer 5

made of repeating protein subunits to protect the nucleic acid