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Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Schematic of an automated external defibrillator (AED) attached to a patient. Schematic of an automated external defibrillator (AED) attached to a patient.
Amino Acids That Can Be Used for Gluconeogenesis Amino Acids That Can Be Used for Gluconeogenesis
Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals
Activation of amino acids for incorporation into proteins Activation of amino acids for incorporation into proteins
Cis and Trans-Fatty Acids. Cis and Trans-Fatty Acids.
Amino Acids Commonly Found in Proteins Amino Acids Commonly Found in Proteins
Video: Oral Hygiene & Braces Animation

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