<span>Pyruvate is similar to lactic acid because they are similar in their chemical formulas. Pyruvate has a chemical formula of CH3COCOO and lactic acid has a formula of C3H6O3. Since these are similar in formula, pyruvate and lactic acid are similar.</span>
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Mitochondria are organelles in cells that produce energy. Sperm use the energy in the midpiece to move. The tail of the sperm moves like a propeller, around and around. This tail is a long flagella that pushes the sperm forward.
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Answer:
Emotion is an organism's response to a stimulus that includes a mixture of physiological arousal, expressive behaviors, and conscious experience.
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What is an Emotion?
Emotion is a neural drive that moves a living organism to action, provoking automatic reactive behavior that has been adapted through evolution as an survival mechanism to meet a survival need. In simple words we can say that Emotion is a mental state related with the central nervous system, several chemical messengers released in neural signal transmissions are responsible for different emotions like happiness, sadness, difference in thoughts etc