Somatotropes—human growth hormone

promotes growth of the entire body by affecting protein formation, cell multiplication, and cell differentiation.

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#Id: 9347

#Unit 4. Cell Communication and Cell Signaling

During cell migration, a tensile force is generated which physically distorts the prodomain and frees the active TGF-β dimer, initiating TGF-β signaling.

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#Id: 564

#Unit 2. Cellular Organization

Negative Regulation/ Positive Regulation or catabolic repression

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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: 548

#Unit 2. Cellular Organization

Outer membrane of gram negative provides barrier to certain antibiotics, lysozyme, detergents, heavy metals, bile salts, etc.

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#Id: 6511

#Unit 7. System Physiology – Animal

Rate-limiting step in synthesis of catecholamines:  Tyrosine is converted to dihydroxy-phenylalanine (DOPA) by tyrosine hydroxylase