Active immunity may be produced by
a) having a disease
b) receiving a vaccine
c) receiving gamma globulin injections
d) both a and b
e) both B and C are correct
Answer: d) both a and b
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Answer the following statements true (T) or false (F)
1. Plant cell membranes contain cholesterol. 2. Membrane proteins are attached to or embedded in the phospholipid bilayer. 3. The presence of integral proteins allows membranes to be selectively permeable to certain molecules. 4. Freeze fracture electron microscopy allows one to observe the two-dimensional cross section of membrane proteins.
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If a red male was crossed with a black female to produce a red, spotted puppy, the genotypes of the parents (with male genotype first) would be a. Bb Ss ? Bb Ss. b. bb Ss ? Bb Ss. c. bb ss ? Bb Ss. d. bb Ss ? Bb ss. e. Bb ss ? Bb ss.
Mycoses are typically highly contagious.
Answer the following statement true (T) or false (F)
Analysis of blood to detect specific antigens or antibodies is known as
A. immunology. B. hematology. C. serology. D. cytology. E. histology.