A second glycoprotein secreted during starvation is CMF (conditioned medium factor)

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#Unit 4. Cell Communication and Cell Signaling

Glycogen breakdown and synthesis is coordinately regulated by the second messengers Ca2+ and cAMP, whose levels are regulated by neural and hormonal stimulation, respectively

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#Id: 2658

#Unit 7. System Physiology – Animal

In the thick segment of the ascending loop of Henle 

Reabsorption of solutes is closely linked to the reabsorptive capability of the sodium-potassium ATPase pump, which maintains a low intracellular

sodium concentration.

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#Unit 4. Cell Communication and Cell Signaling

In resting state 

basal level of PDE activity keeps cAMP levels below those necessary for PKA activation.

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#Unit 2. Cellular Organization

The protein kinases DNA-PK, ATM, and ATR are activated at sites of damaged DNA

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#Id: 1176

#Unit 7. System Physiology – Animal

Inputs from eye to CNS: 

• Input from the rods 

• Input from the cones