Which is a disease of the respiratory system, often caused by smoking? a) emphysema b) atherosclerosis c) idiopathic edema d) thalassemia

The virus genome and viral proteins are assembled into virions (virus particles) during ) the lytic cycle and the lysogenic cycle in all known host organismsb) the lysogenic cycle onlyc) the lytic cycle onlyd) the lytic cycle in all host organisms but the lysogenic cycle only in bacteria