Answer:
The correct option is C. Motor neuron does not fire action potentials
Explanation:
During contraction, the motor nerve passes down an action potential. A neuromuscular junction is formed by the motor neuron which stimulates the entry of calcium ions. The calcium ions bind to structures called as troponin which stimulates the binding of the filaments, actin and myosin. The filaments begin to contract by using ATP.
During relaxation, the action potential is stopped. Calcium is taken back into the sarcoplasmic reticulum. As a result, actin and myosin filaments do not link and hence, the contraction is stopped.
Answer:
C
Explanation:
The heart moves the blood which contains the materials the cell needs and the materials from the cells
Those plants which are adapted to grow on land with its roots in soil are known as terrestrial plants like trees, shrubs, flowers and grasses. Some example of terrestrial plants are China rose (<u><em>Hibiscus rosa-sinensis</em></u>), Orange (<u><em>citrus reticulata</em></u>).
Answer:
Oxygen and glucose are both reactants in the <u>Process</u> of cellular respiration.
ATP is the main Product formed in cellular respiration, and waste products include carbon dioxide and water.
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