Every antigen receptor synthesized by lymphocytes is encoded by a separate gene
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FALSE
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If a single gene has 3 or more alternative forms, this is called
A. pleiotropy. B. multiple alleles. C. epistasis. D. blending inheritance. E. codominance.
Phagocyte attachment to a pathogen is enhanced by a process known as 109)
A) opsonization. B) leukocytosis. C) chemotaxis. D) margination. E) diapedesis.
Pronghorn antelopes are well adapted for dry conditions with extremes of temperature, especially cold. As global climate change causes the region where the pronghorns live to change, in temperature as well as plant, predator, and prey diversity and
abundance, what is likely to happen to the pronghorns? A) They will learn to eat whatever plants exist in their area and escape from any new predators that arrive. B) If the pronghorn population includes genetic variation that allows survival and reproduction in the new conditions, they will adapt. C) If climate change is not too rapid, the pronghorn can produce new traits needed to survive and reproduce in the changed conditions. D) Because pronghorns will need to be cooler, their fur will become thinner.
The Ti plasmid isolated from Agrobacterium can be used to insert DNA into any type of plant
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