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Micrographs showing cytokinesis in animal and plant cells
Large numbers of plant species can flower at once in this grassland in Kinsella, Alberta.
A male Lestes dryas in the "spread-winged" posture that gives the family its common name
Models of some representative proteins drawn to a common scale
Common Suffixes Cont.
Some of the common structural abnormalities seen in chromosomes. (a) In a deletion, part of a chromo