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Sodium ion concentration in the cytoplasm of a neuron _____________ when its voltage gated sodium channels open

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Figure 1 represents a metabolic process involving the regulation of lactose metabolism by E. coli bacteria. Lactose is utilized for energy by E. coli when glucose is not present. Allolactose is an isomer of lactose that is in the environment of these bacteria when lactose is present. The CAP site prevents the binding of RNA polymerase when glucose is present in the environment. The lacZ, lacY, and lacA genes code for proteins needed for lactose metabolism.Figure 1. Model of lac operon, comparing repressed and active statesWhich is a scientific claim that is consistent with the information provided and Figure 1 ?(A)The presence of excess lactose blocks the functioning of RNARNA polymerase in this operon.(B)When bound to the operator, the repressor protein prevents lactose metabolism in E. coli.(C)The binding of the repressor protein to the operator enables E. coli to metabolize lactose.(D)Allolactose acts as an inducer that binds to the operator, allowing E. coli to metabolize lactose.

In the area of conservation, Theodore Roosevelt: -vetoed a bill authorizing a National Conservation Commission. -used the Forest Reserve Act to protect over 170 million acres of forest. -angered many conservationists by his appointment of Gifford Pinchot, a businessman with no experience in conservation, as head of the Division of Forestry. -believed strongly that natural resources should be preserved but felt that this was a matter for state, not federal, action. -angered western hunters by closing much of the western public lands.

Based on figure 1, which of the following would provide the strongest evidence to support a claim that A. Valencienne and A. Lineatopus are the two anole species most closely related to A. Sagrei?

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