Single-base substitutions at the junctions between introns and exons causes an exon to be left out of the product or an intron to be included, or make splicing occur at a different site.

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#Unit 3. Fundamental Processes

oriC must be fully methylated.

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#Id: 8906

#Unit 2. Cellular Organization

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#Unit 8. Inheritance Biology

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#Unit 10. Ecological Principles

Elizabeth Borer and colleagues argued that the ecosystem exploitation hypothesis makes specific predictions about plant and herbivore biomass under certain scenarios: In a community with only plants and herbivores, if nutrients increase, as with fertilization, herbivore biomass should increase, while plant productivity remains unchanged.  n a community with plants, herbivores, and predators, plant biomass should increase with added nutrients, while herbivore biomass should remain unchanged.

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#Unit 7. System Physiology – Animal

Neurons generally have four important zones:

A dendritic zone, where multiple local potential changes generated by synaptic connections are integrated. a site where propagated action potentials are generated. an axonal process that transmits propagated impulses to the nerve endings the nerve endings, where action potentials cause the release of synaptic transmitters.