Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant

Passive artificial immunity occurs in the body when a/an _____ is
injected into the body or when a developing fetus receives antibodies
across the placenta.
a. antibody-rich serum
b. antigens
c. haptens
d. adjuvant
by

1 Answer

Answer :

a. antibody-rich serum
by

Related questions

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