After a long period of gradual evolution of protein domains, a period of explosive change (the “big
bang”) in protein domain complexity occurred at roughly the same time as the 3 taxonomic domains
were undergoing rapid diversification. In which taxonomic domain was this diversification most
extensive?
a. Eukarya
b. Protoctista
c. Archaea
d. Animalia
e. Bacteria
A
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If a suspension of cells is frozen and fractured, the most likely path of the fracture plane will be
a. between the cell surface and the outside solution. b. between the membrane and the cytoplasm of the cells. c. through the middle of the cytoplasm. d. between the two leaflets of the cell membranes.
Complex traits are usually quantified by ____________________ rather than by ____________________
Fill in the blank(s) with correct word
During the acute inflammatory response, ________ binds to receptors on the capillary wall to open junctions between the cells that allow fluid and leukocytes to enter the tissue.
Fill in the blank(s) with the appropriate word(s).
Pioneering species __________
a. migrate seasonally b. tend to have fast reproductive rates c. grow slowly in disturbed areas d. migrate seasonally and tend to have fast reproductive rates