Viruses

Question 1

What is in the core ?

Answer 1

2 identical strands of RNA.

Or DNA made from nucleic acid genomes.

Question 2

What is the function of the capsid ?

Answer 2

Protective layer of proteins which surrounds the core. Sometimes surrounded by an envelope of lysosomes.

Question 3

What is the function of the Tlynphocytes ?

Answer 3

Antigens and glycoproteins in the city surface recognise receptors.

Question 4

When are membranes used ?

Answer 4

Some viruses have internal or external membranes but not all.