Biology Homework! ehh...?

[Alex7478]

1. Saliva and tears contain ____, an enzyme that destroys many bacteria. (1 point)A.)lysozymeB.)toxinC.)histamineD.)complement 2. Koch's postulates cannot be carried out on viral diseases because the viruses ____. (1 point)A.)do not have hostsB.)are not pathogensC.)cannot be grown outside of cellsare too deadly3. A person with AIDS is susceptible to all kinds of infectious diseases because HIV ____. (1 point)A.)destroys pathogensB.)weakens the immune systemC.)causes an increase of antigensD.)causes antibody production4. Interferons are a body cell's defense against ____. (1 point)A.)all pathogensB.)bacteriaC.)virusesD.)lymphocytes5. Which of the following is part of acquired immunity? (1 point)A.)complementB.)interferonC.)antibodiesD.)ly sozymeI am not just looking for answers, I had a huge test and these were really difficult, and I can't find the answers anywhere.Please help.not just give answers.Links are good, and iflinks are good, and please try and explain the answers if you give them...if it isn't too much to ask, I want to understand this..please help me out..=]

[jayschif78]

1. A) Lysozyme2. C) cannot be grown outside cells3. B) weakens the immune system4. C) viruses5. C) antibodies