Match the molecules below with their functions: Membrane attack complex (MAC) Interferons Cytokines   causes pores to form in the exterior of gram-negative bacteria  disrupt virus replication and spread communication between host cells

Tropism refers to the spectrum of tissues infected by a virus. Which parameter can influence viral tropism? Group of answer choices All answers are correct Cell receptors for viruses Presence of proteases that activate viral glycoproteins for fusion Cell proteins that regulate viral transcription Accessibility of susceptible and permissive cells

phagocytic cells recognize pathogen-associated molecular patterns using their:  Group of answer choices phagosomes perforins pyrogens pattern-recognition receptors

Another term for the antigen-hiding layer found on some bacterial besides glycocalyx or slime layer is:     capsid     capsule     envelope     spore