B cell Development

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#Id: 3344

#Unit 6. System Physiology – Plant

Each c subunit has a critical Asp (or Glu) residue about midway across the membrane, which can donate or accept a proton.

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#Id: 6360

#Unit 2. Cellular Organization

Repressors impede access of RNA polymerase to the promoter and Activators enhance the RNA polymerase–promoter interaction.

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#Id: 7407

#Unit 5. Developmental Biology

The segment polarity genes encode proteins that are constituents of the Wnt and Hedgehog signaling pathways.

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#Id: 1244

#Unit 7. System Physiology – Animal

GHRH- Hypothalamus stimulates growth hormone secretion by utilizing both cAMP and IP3/Ca2+ as second messengers.

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#Id: 9223

#Unit 6. System Physiology – Plant

Warmer environments have the effect of: Increasing the oxygenase activity of rubisco more than the carboxylase activity.