Buchinski882 Buchinski882
  • 14-03-2014
  • Biology
Answered

A vaccine
a. can be harmful because it contains pathogens such as viruses.
b. contains a changed pathogen, so the pathogen is no longer harmful.
c. provokes a response from the viral immune system.
d. all of the above

Answer :

Daryn Daryn
  • 15-03-2014
It's B, ijust read my biology book
Answer Link

Other Questions

sophia has 3 pink tulips and 3 white tulips what fraction of sophias tulips are pink
What did Marcus Garvey advocate for blacks improvement of separate but equal facilities for both blacks and whites education for blacks at major universities ag
it is 10 35 miles from Alston to Barton and 12 12 from Barton to Chesterthe distance from Alston to Durbanvia BARTON and Chesteris 35 mileshow far is it from Ch
jhe term 32uv and which other term are like terms A 14vu B 32u C 8v D 32
Which statement about the migration from cities to suburbs in the 1950s is correct A More middleclass families could afford to purchase their own homes B Suburb
Solve proportions 1325 p100
What are three functions of proteins
Both insects and roundworms exhibit whereas sponges snails and leeches do not Amolting during growth Bsensory perception Csexual reproduction Dcalcium carbonate
why was the development of sanskrit important to making the vedas last
1 Aduceti la o forma mai simpla a 5 la puterea 3pe 2ori 125la puterea 1pe 2ori 5la puterea minus4pe3ori25la puterea 1pe 2 b 81 la puterea2radical din 2 ori 3 ra