Blood cell maturation has many pathways and can be complex. What is the product of the maturation of a megakaryocyte?
a. lymphocyte
b. red blood cell
c. platelets
d. macrophage
c. platelets
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Match the terms with the labeled structures on the diagram. 
cell body
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a characteristic of Okazaki fragments?
A) They are checked for accuracy by DNA polymerase III. B) They make up the lagging strand of replicated DNA. C) They begin with an RNA primer. D) They are joined together by DNA ligase. E) They are longer in eukaryotic cells.
Birds and insects both have wings, but we do not consider this similarity as evidence of relatedness because
A. the wings are not homologous structures with a common ancestral origin. B. bird wings, but not insect wings, function on the physics principles of lift. C. there is no fossil link between these groups. D. birds and insects did not evolve in the same region or live at the same time period. E. insect wings are vestigial.
Erythema migrans, a bull's-eye rash, at the portal of entry is associated with
A. relapsing fever. B. syphilis. C. Rocky Mountain spotted fever. D. Lyme disease. E. leptospirosis.