Since There Is a Larger Concentration of Potassium Ions Inside

question 4

Multiple Choice

Since there is a larger concentration of potassium ions inside a neuron,why is the inside of the neuron negative (-70mV) relative to the outside?

• A)Potassium ions carry a negative charge.
• B)Negatively-charged proteins inside the cell counteract the charge of the potassium ions.
• C)The negative sign is just a historical convention.
• D)The high concentration of sodium ions outside the cell makes the inside negative by comparison.

Understand the relationship between bond maturity and risk.

Identify how market conditions influence bond pricing and yield differentials.

Comprehend the function and impact of bond ratings.

Grasp the concept and implications of call features in bonds.