Autonomously specified cells capable of differentiating autonomously (i.e., by itself) when placed in an environment that is neutral with respect to the developmental pathway.

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#Id: 8639

#Unit 2. Cellular Organization

Phosphorylation of Whi5 promotes its export out of the nucleus, allowing the transcription factor complex SBF to induce transcription of the G1/S phase cyclin genes CLN1 and CLN2.

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#Id: 7584

#Unit 5. Developmental Biology

Calcium and bicarbonate ions are critical in activating cAMP production and in facilitating the membrane fusion events of the acrosome reaction

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#Id: 2853

#Unit 13. Methods in Biology

Molecular (sub-)structures responsible for interaction with electromagnetic radiation are called chromophores.

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#Id: 2912

#Unit 3. Fundamental Processes

Each DnaB activates a DnaG primase-in one case to initiate the leading strand, and in the other to initiate the first Okazaki fragment of the lagging strand

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#Id: 10168

#Unit 6. System Physiology – Plant

Compounds such as AMO-1618, Cycocel, and Phosphon D are specific inhibitors of the first stage of gibberellin biosynthesis, and they are used as growth height reducers