Tetrodotoxin binds to sodium channels and blocks the passage of sodium ions. Based on this information, which symptom would most likely occur in an organism exposed to tetrodotoxin? A.
paralysis due to lack of action potentials to signal muscle tissue
B.
blindness due to proteins in the eyes denaturing and losing functionality
C.
decreased appetite due to the production of hormones that indicate fullness
D.
increased heart rate due to increased nerve impulses to the heart muscles

What is the identity of the planets?

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.

Which organelle stores most of a cell’s dna?