An advantage of (attenuated/inactivated/subunit) vaccines is that they usually elicit cell-mediated immune responses
What will be an ideal response?
attenuated
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A cell in G2 before meiosis begins, compared with one of the four cells produced at the end of meiosis II, has
A. twice as much DNA and twice as many chromosomes B. four times as much DNA and twice as many chromosomes C. twice as much DNA but the same number of chromosomes D. four times as much DNA and four times as many chromosomes E. twice as much DNA and half as many chromosomes
The ________ resemble the ancestor of all animals
a. choanoflagellates b. dinoflagellates c. amoeboflagellates d. euglenoids e. ciliates
Research on HIV vaccines is progressing, but success to date has been limited to vaccines that are of limited
effectiveness against a few strains of the HIV virus. However, flu vaccines are similar in their limitations. Why are ‘limited effectiveness flu vaccines released, but not HIV vaccines? What will be an ideal response?
After leaving our left ventricle, blood next passes through the
A. vena cava. B. aorta. C. semilunar valve. D. atrioventricular valve. E. left atrium.