Intracellular regulatory mechanisms include:

Regulation by cytoplasmic determinants

Transcriptional regulation 

Epigenetic regulation

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#Id: 7363

#Unit 5. Developmental Biology

On the right side of the embryo, activin is expressed, along with activin receptor IIa. This activates Fgf8, a protein that blocks expression of the gene for Cerberus.

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#Unit 7. System Physiology – Animal

K+ & Ca2+ enter via the channel and produce depolarization

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#Unit 2. Cellular Organization

In vertebrate smooth muscle, phosphorylation of the myosin regulatory light chain activates contraction in Ca2+ dependent manner.

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#Unit 2. Cellular Organization

Cardiolipin

an unusual “double” phospholipid containing four fatty acid chains

found primarily in the inner mitochondrial membrane

acts to improve the efficiency of oxidative phosphorylation, by restricting proton flow across the membrane

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#Id: 2607

#Unit 13. Methods in Biology

SSR alleles differ in length.

Left and right primers correspond to unique sequences that flank the SSR locus.

PCR-amplification of two alleles of an SSR locus.

Gel electrophoresis distinguishes the alleles from each other.