Just as muscles become strengthened by work, more strongly exercised organs attract and become enlarged by the “nervous fluid.” 

Acquired during an individual’s lifetime, are inherited—a principle called inheritance of acquired characteristics.

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#Id: 2940

#Unit 3. Fundamental Processes

Note that a crudal difference between replication in bacteria and replication in eukaryotes is that in bacteria replication is occurring on DNA, while in eukaryotes replication is occurring on chromatin and nucleosomes play a role so their presence must be taken into account.

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#Id: 5437

#Unit 7. System Physiology – Animal

The Na+ channels rapidly enter a closed state called inactivated state and remain in this state for a few milliseconds

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#Id: 5183

#Unit 7. System Physiology – Animal

The vasoconstriction is due to serotonin, histamines & other vasoconstrictors liberated from platelets that adhere to the walls of the damaged vessels.

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#Id: 8203

#Unit 2. Cellular Organization

An H+ ATPase in the membrane pumps H+ into the lysosome, maintaining its lumen at an acidic pH.

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#Id: 1837

#Unit 11. Evolution and Behavior

Cretaceous- Diversity of angiosperms and last dinosaurs extinct