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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Diverse living organisms share common chemical features Diverse living organisms share common chemical features
The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry
Introduction to Organic Compounds Introduction to Organic Compounds
Use a grinder or a file to remove the mushroom material on the end of a punch or chisel. Use a grinder or a file to remove the mushroom material on the end of a punch or chisel.
Speciation produces new types of organisms Speciation produces new types of organisms
Estimates of Heritability for Traits in Different Organisms part 2 Estimates of Heritability for Traits in Different Organisms part 2
Video: Transcription—A molecular view

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