In the Properly Balanced Half-Reaction (Acid Solution) for the System

question 13

Multiple Choice

In the properly balanced half-reaction (acid solution) for the system H₃AsO₃→H₂AsO₄ ^- , what else appears on the right side besides H₂AsO₄ ^- ?

• A) 2 H⁺ + 2 e ^-
• B) 3 H⁺ + 2 e ^-
• C) 2 H₂O + 2 e ^-
• D) 2 H⁺ + 3 e ^-
• E) H⁺

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Definitions:

Neurotransmitter

Chemical substances released by neurons that transmit signals across a synaptic gap to another neuron or to a muscle or gland cell.

Smooth Muscle

A type of muscle found in the walls of internal organs, such as the stomach and blood vessels, that contracts involuntarily.

Calcium-Calmodulin Complex

A complex formed when calcium ions bind to the protein calmodulin, playing a key role in various cellular processes.

Myofibrils

The basic rod-like unit of a muscle cell, composed of sarcomeres, which are responsible for the muscle's contractile properties.