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Some male birds and mammals congregate in communal courting grounds called leks.
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Environment of tRNAs at the ribosome as determined by cross-linking
Selective pressures from the environment influence adaptation
In the reaction C(s) + O2(g) CO2(g) carbon is __________.
Different forms of a gene are called alleles