There are three D cyclins in mammals:

cyclins D1, D2, and D3

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#Unit 10. Ecological Principles

India Forest 1968

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#Id: 1981

#Unit 3. Fundamental Processes

This structure is called a cap.

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#Id: 2352

#Unit 5. Developmental Biology

If a flatworm is cut into three pieces, the middle piece will regenerate a head from its anterior end and a tail from its posterior end.

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#Id: 8050

#Unit 1. Molecules and their Interaction Relevant to Biology

Certain side-chain conformations are energetically favourable, these side chain confirmations are called as Rotamers.

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#Id: 4030

#Unit 7. System Physiology – Animal

Positive chronotropic effects are increases in heart rate.