Polygynous

In polygyny, one male mates with more than one female in a single breeding season, but females mate only with one male.

In species with male-male competition, males are often substantially larger than females, a phenomenon called sexual dimorphism.

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#Id: 10319

#XL - Q Biochemistry

Fas-L on the cytotoxic T cell binds to its receptor, the Fas protein on the tumor cells, an apoptotic signaling pathway in the tumor cells becomes activated, which also leads to tumor cell death. 

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#Id: 1333

#XL - T Zoology

Cholera toxin, secreted by Vibrio cholerae Catalyze a covalent modification of the Gαs protein Inhibit GAP activity.

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#Id: 10711

#XL - R Botany

Cell division in the root apex proper is relatively slow; thus, this region is called the quiescent center

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#Id: 4844

#XL - Q Biochemistry

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#Id: 8652

#XL - T Zoology