Questions: Focus your attention on step one of the Focus Figure. Several statements regarding this step are provided below. For each statement, indicate whether it is true or false for THIS PARTICULAR STEP in the pump cycle. Do this by dragging each statement to either the True bin or the False bin below. ATP is bound to the Two extracellular Two cytoplasmic Three Na+ bind to the pump. are released from the bind to bind to the pump. pump to the cytoplasm.

Focus your attention on step one of the Focus Figure. Several statements regarding this step are provided below. For each statement, indicate whether it is true or false for THIS PARTICULAR STEP in the pump cycle. Do this by dragging each statement to either the True bin or the False bin below.

ATP is bound to the Two extracellular Two cytoplasmic Three Na+ bind to the pump. are released from the bind to bind to the pump. pump to the cytoplasm.
Transcript text: Focus your attention on step one of the Focus Figure. Several statements regarding this step are provided below. For each statement, indicate whether it is true or false for THIS PARTICULAR STEP in the pump cycle. Do this by dragging each statement to either the True bin or the False bin below. ATP is bound to the Two extracellular Two cytoplasmic Three $\mathrm{Na}^{+}$ bind to the pump. are released from the bind to bind to the pump. pump to the cytoplasm.
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Solution

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It seems like the question is incomplete and lacks context, making it difficult to provide a precise answer. However, I can offer some general guidance on how to approach such a question if it pertains to a typical biological pump cycle, such as the sodium-potassium pump (Na+/K+ pump).

In the context of the Na+/K+ pump cycle, the following steps are generally involved:

  1. Binding of Sodium Ions (Na+): Three sodium ions from the cytoplasm bind to the pump.
  2. ATP Binding and Phosphorylation: ATP binds to the pump and is hydrolyzed, leading to the phosphorylation of the pump.
  3. Conformational Change and Sodium Release: The phosphorylation causes a conformational change in the pump, releasing the three sodium ions to the extracellular space.
  4. Binding of Potassium Ions (K+): Two potassium ions from the extracellular space bind to the pump.
  5. Dephosphorylation and Conformational Change: The pump is dephosphorylated, leading to another conformational change.
  6. Release of Potassium Ions: The two potassium ions are released into the cytoplasm, and the pump returns to its original state.

Based on this cycle, you can determine the truthfulness of statements related to each step. For example, if the statement is about the binding of three Na+ ions, it would be true for the initial step of the cycle. If the statement is about the release of Na+ ions, it would be false for the initial step.

If you have specific statements from the question, you can apply this understanding to determine whether each statement is true or false for the particular step in the pump cycle being referenced.

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