In reference to biological role, $Ca^{2+}$ ions are important in

Question

Identify linear polymer from following

Answer 1

To understand the biological importance of Ca^{2+} ions, we need to analyze their role in various human body functions. Calcium ions (Ca²⁺) play a critical role in several physiological processes. Let's go through each option to determine which one is correct:

Triggering the contraction of muscles: Calcium ions are vital in muscle contraction. When a nerve impulse reaches a muscle, calcium ions are released within muscle cells, leading to muscle contraction. Although this option demonstrates the importance of calcium in muscle function, it is not the answer here as we are tasked with finding its role in generating electrode potential.
Generating the right electrode potential across cell membranes: Ca²⁺ ions contribute to maintaining the electrical gradient across cell membranes by regulating various ion channels and transporters. They influence the membrane potential and play a role in nerve impulse transmission and the activity of cardiac muscle cells. This function is correct in the context of the question, which focuses on the role of Ca²⁺ in electrode potential generation.
Hydrolysis of ATP: Calcium ions are not directly involved in ATP hydrolysis. ATP hydrolysis is a process providing energy for various cellular functions, but Ca²⁺ doesn't play a direct enzymatic role in breaking down ATP.
Defence mechanism: While Ca²⁺ plays a role in activating certain enzymes involved in immune responses, its primary and direct involvement in generating electrode potentials is more relevant for this question.

Thus, the correct answer is generating the right electrode potential across cell membrane. This function highlights the pivotal role of Ca²⁺ ions in generating and maintaining the membrane potentials crucial for various cellular activities.

Answer 2

To understand the biological importance of Ca^{2+} ions, we need to analyze their role in various human body functions. Calcium ions (Ca²⁺) play a critical role in several physiological processes. Let's go through each option to determine which one is correct:

Triggering the contraction of muscles: Calcium ions are vital in muscle contraction. When a nerve impulse reaches a muscle, calcium ions are released within muscle cells, leading to muscle contraction. Although this option demonstrates the importance of calcium in muscle function, it is not the answer here as we are tasked with finding its role in generating electrode potential.
Generating the right electrode potential across cell membranes: Ca²⁺ ions contribute to maintaining the electrical gradient across cell membranes by regulating various ion channels and transporters. They influence the membrane potential and play a role in nerve impulse transmission and the activity of cardiac muscle cells. This function is correct in the context of the question, which focuses on the role of Ca²⁺ in electrode potential generation.
Hydrolysis of ATP: Calcium ions are not directly involved in ATP hydrolysis. ATP hydrolysis is a process providing energy for various cellular functions, but Ca²⁺ doesn't play a direct enzymatic role in breaking down ATP.
Defence mechanism: While Ca²⁺ plays a role in activating certain enzymes involved in immune responses, its primary and direct involvement in generating electrode potentials is more relevant for this question.

Thus, the correct answer is generating the right electrode potential across cell membrane. This function highlights the pivotal role of Ca²⁺ ions in generating and maintaining the membrane potentials crucial for various cellular activities.

In reference to biological role, $Ca^{2+}$ ions are important in

The Correct Option is B

Solution and Explanation

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