Some mitochondrial DNAs possess several D loops, reflecting the use of multiple origins. The same mechanism is employed in chloroplast DNA, where (in complex plants) there are two D loops.

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#Id: 3961

#Unit 7. System Physiology – Animal

Conducting cells constitute tissues of the SA node, the atrial internodal tracts, the AV node, the bundle of His, & the Purkinje system.

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#Id: 9091

#Unit 4. Cell Communication and Cell Signaling

The resultant efflux of NaCl triggers massive water loss through the intestine as cells respond to the ensuing osmotic imbalance causes severe dehydration and electrolyte loss.

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#Id: 6084

#Unit 10. Ecological Principles

The Andes Mountains Tropical Hotspot is the world's most diverse hotspot Philippines More than 7,100 islands fall within the borders of the Philippines hotspot, identified as one of the world’s biologically richest countries

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#Id: 5958

#Unit 10. Ecological Principles

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#Id: 1343

#Unit 4. Cell Communication and Cell Signaling

RAS is a small monomeric G-proteins.