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Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Comparison of the steps of two viral reproductive cycles. Comparison of the steps of two viral reproductive cycles.
Approach used to determine the evolutionary relationships among many animal species using molecular Approach used to determine the evolutionary relationships among many animal species using molecular
Comparison of the level of skin damage as a result of the three different degrees of burns. Comparison of the level of skin damage as a result of the three different degrees of burns.
Comparison of the structures of myoglobin (PDB ID 1MBO) Comparison of the structures of myoglobin (PDB ID 1MBO)
Comparison of a tender and mature leaf. Comparison of a tender and mature leaf.
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

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