4- humoral and cell mediated immune responses are more developed in mammals and

Question

4- humoral and cell mediated immune responses are more developed in mammals and birds. why is this? Both hair and feathers contain immunoglobulins. Which are important to this type of immunity Birds and mammals have large amounts of vulcanized copper in their blood, which is important for this type of immune response A. B. C. Birds and mammals have the substance fermium as part of their metabolism. D. They have a more efficient circulation system, which can accommodate these types of 5. Where Is/are the antigen binding site/s on an immunoglobulin? A. At the end of each arm of Y shaped moleculet 2 binding sites per molecule) B. In between the arms of the Y shaped molecule (1 binding site per molecule) On the long end of the Y shaped molecule (1 binding sit per molecule) E. Binding sites are all over the molecule and there can be a dozen or more at any locations on it. There are not binding sites on immunoglobulin F. 352 Words

Explanation / Answer

4. Option D is correct.

Hair, feather, and copper = Components of innate immunity

Fermium is not/rarely found in birds and mammals.

Highly evolved circulation system in birds and mammals can accommodate humoral and cell-mediated immunity.

5. Option A is correct.

Each immunoglobulin contains two antigen binding sites, one each at the ends of Y arms.

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