Answer:
The exogenous pathway occurs when MHC class II molecules present fragments derived from extracellular (exogenous) proteins that are located within the cell. First, pathogens are phagocytized, then endosomes within the cell break down antigens with proteases, which then combine with MHC II.
Explanation:
Answer:
There is an additional, abnormal electrical path in the heart that leads to impulses moving around the heart rapidly, which is in a circular pattern, and also causes the heart to beat too fast.
Explanation:
Reentry circuit, are situation that occurs when a propagating impulse fails to die out subsequent to usual activation of the heart and continues to re-excite the heart subsequent to when the refractory period has ended.
the best statement that accurately describes what's happening is "<em>There is an additional, abnormal electrical path in the heart that leads to impulses moving around the heart rapidly, which is in a circular pattern, and also causes the heart to beat too fast."</em>
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Conduct disorder is commonly found in men rather then women.
The answers are letters B and D. They are not soluble in water and the hydrogen-oxygen ratio is different. Good luck!
