What is the term for selection that favors altruism toward relatives?
A. kin selection
B. mate choice
C. group selection
D. nepotism
E. reciprocal altruism
A. kin selection
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Which disorder is associated with buildup of amyloid proteins leading to loss of memory and intellectual functions?
a. epilepsy b. Parkinson’s disease c. Alzheimer’s disease d. meningitis e. multiple sclerosis
What structure forms a ring around the membrane pinching the cell into two separate cells?
a. myosin b. microfilaments c. troponin d. histones e. chromatin
Which of the following is NOT an example of an external cost?
A. reduced property values due to noise pollution B. the cost of cleaning up pollution generated by industrial processes C. the loss of biodiversity caused by pollution D. the cost of materials purchased to manufacture a particular product E. the loss of natural beauty and aesthetic damage
During presentation of APC-bound antigen, macrophages secrete a cytokine that activates T helper cells. What is the name of this cytokine?
A. interleukin-2 B. IgM C. the major histocompatibility complex D. interleukin-1