G-banding patterns reveal that several human chromosomes differ from those of chimpanzees by only a pericentric inversion.

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#Id: 2538

#Unit 13. Methods in Biology

The original template sequence will also be copied during the second and all subsequent cycles to generate the 'long product'. Therefore, the long product continues to increase linearly, while the 'correct PCR' product will multiply exponentially. 

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#Id: 8400

#Unit 2. Cellular Organization

In skeletal muscle cells, 

a low cytosolic Ca+2 level is maintained by a unique Ca+2 ATPase that continually pumps Ca+2 ions from

the cytosol containing the myofibrils into the SR, establishes a reservoir of Ca+2 in the SR.

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#Id: 5196

#Unit 7. System Physiology – Animal

Tissue thromboplastin and factor VII activate factors IX and X.

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#Id: 2131

#Unit 8. Inheritance Biology

In prophase I of meiosis, an inversion loop forms.

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#Id: 7981

#Unit 10. Ecological Principles

Many fish species have a gas-filled swim bladder that can adjust in size to make the density of the fish’s body equal to that of the surrounding water.