The active principle in foxglove (Digitalis sp.) is cardinolide digitoxin, a cardiac glycoside that inhibits ATPase activity and can increase myocardial contraction.

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#Id: 9173

#XL - T Zoology

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#Id: 10292

#XL - Q Biochemistry

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#Id: 8857

#XL - T Zoology

The ATPase domains interact with the proteins

Scc1 and Scc3, which together form a cohesin ring structure which embrace one or both copies of the replicated DNA.

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#Id: 4700

#XL - T Zoology

In the Hymenoptera (ants, bees, and wasps), Females develop from the queen’s fertilized eggs and are diploid. Males develop from the queen’s unfertilized eggs and are haploid—their sperm are genetically identical

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#Id: 9420

#XL - T Zoology

Runaway selection: Females choose mates without the offering of obvious material benefits or parenting skills, and instead make their choices based on plumage color or courtship peahen may choose her peacock with long tail feather.