Once all proteins are functioning, a few starving cells start to emit cAMP pulses.

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#Id: 2956

#Unit 3. Fundamental Processes

ORC is an initiation complex whose binding identifies an origin of replication.

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#Id: 10468

#Unit 4. Cell Communication and Cell Signaling

Subsequent loss or inactivation of the remaining normal allele in a somatic cell, known as loss of heterozygosity causes cancer to develop.

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#Id: 9128

#Unit 10. Ecological Principles

The host has a strong immunological response to microparasitic infections.

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#Id: 6743

#Unit 8. Inheritance Biology

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#Id: 7017

#Unit 5. Developmental Biology

Chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell states and progenitor differentiation through endocrine, paracrine, or juxtacrine mechanisms.