Which of the following is an antigen that would only be recognized by a specific antibody? Group of answer choices The unique structure of a measles virus surface protein Peptidoglycan from bacterial cell walls The double-stranded RNA produced during infections by RNA viruses None of these would be recognized by an antibody

. Rotavirus, a disease-causing member of the Reovirus family (with double-stranded RNA, but no DNA), must use which of the following enzymes to replicate its nucleic acid?  RNA-dependent-RNA-polymerase RNA-dependent-DNA-polymerase DNA-dependent-RNA-polymerase DNA-dependent-DNA-polymerase reverse transcriptase

Which of the following molecules do you think would make good antigens for recognizing pathogens and why? - a cell wall protein - a piece of DNA inside a cell - a protein that is part of a flagella - a uniquely shaped protein that is part of a virus - a protein that is only made by prokaryotic cells - a protein that is only made by eukaryotic cells

All of the following are true about neutralizing antibodies, except: Group of answer choices   Bind to the spike protein Bind to the ACE2 receptor binding domain Prevents virus from replicating in cells Have emergency approval use for use as treatment in COVID19 Allows viruses to enter cells and replicate

Which of the following is more effective against bacteria than viruses? Type 1 Interferon Type 2 interferon Antibodies NK cells CytotoxicTcells

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

Which molecules function as chemical signals between cells and stimulate a wide range of nonspecific defenses? Cytokines opsonins lysozymes antibodies antimicrobial peptides

L

Is it possible for the immune system to eliminate the viruses without T cells? Why or why not?

Which of the following statements are correct for a class V ssRNA (-) virus? it uses its genome directly for translation it must make the complementary (+) RNA strand to synthesize more of its genome it replicates its genome via classical semiconservative replication it converts its genome to DNA via reverse transcriptase as part of its life cycle