Hydrolysis of pyrophosphate makes phosphodiester bond a highly favorable reaction with a DG of –7 kcal/mol, which corresponds to an equilibrium constant (Keq) of 105.

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#Id: 94

#Unit 5. Developmental Biology

In Autonomous Specification, 

Cytoplasmic determinants are apportioned to different blastomeres of the early embryo.

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#Id: 5417

#Unit 7. System Physiology – Animal

Protoplasmic astrocytes produce substances that are tropic to neurons, & they help maintain the appropriate concentration of ions & neurotransmitters by taking up K+ & neurotransmitters glutamate & γ-aminobutyrate (GABA)

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#Id: 1138

#Unit 2. Cellular Organization

Inhibitory Proteins in Cell Cycle-

Sic1 - Binds and inhibits S phase CDKs

CKIs p27, p57, and p21- Bind and inhibit CDKs

INK4 - Binds and inhibits G1 CDKs

Rb - Binds E2Fs

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#Id: 5549

#Unit 7. System Physiology – Animal

The thiazide diuretics, inhibit the sodium-chloride co-transporter

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#Id: 8529

#Unit 2. Cellular Organization

Class IV IF proteins compose the neurofilaments found in neurons.