Which of the following is NOT true of
complement proteins?
a. they are part of the third line of defense
b. they may be activated by antigens
c. they can activate other complement
proteins
d. some bind to pathogens making them a
target for phagocytosis
e. all of these are NOT true of complement
proteins
A
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In the late 1920s, a mutation occurred in many silver fox farms around the world. The fox farms that
sold expensive furs were proud of the quality of their furs, and each advertised that it had the best, purest breed of all the fox farms. The new mutations produced a "platinum" coat pattern that was commercially desirable, so the farms crossed them to get more. The results of their breeding experiments were as follows: (1) silver ? silver >>> all silver offspring; (2) silver ? platinum >>> equal numbers of silver and platinum; (3) platinum ? platinum >>> two platinum for each silver offspring. Explain. What will be an ideal response?
Lemurs are in the suborder:a
Tarsiformes b. Prosimii c. Anthropoidea d. Hominoidea e. Pithecinae
Nearly two dozen different alleles for the same gene can determine eye color in fruit flies. This is an example of
A. multiple alleles. B. polygenic inheritance. C. pleiotropy. D. incomplete dominance.
Figure 37.9A
The following question refers to the antibody structure figure above.
The antigen-binding site is indicated by _______
A. A B. B C. C D. D E. E