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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

The structural formulas show the state of ionization that would predominate at pH 7.0 The structural formulas show the state of ionization that would predominate at pH 7.0
Steady-state kinetic analysis of bisubstrate reactions Steady-state kinetic analysis of bisubstrate reactions
Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ
Ion channels in myocardial cells: (a) resting state before action potential (all channel gates ... Ion channels in myocardial cells: (a) resting state before action potential (all channel gates ...
Sketch the graph of each function using transformations. State the domain and range. Sketch the graph of each function using transformations. State the domain and range.
Red Spotted Newt (Notophthalmus v. viridescens), New Hampshire state animal. Red Spotted Newt (Notophthalmus v. viridescens), New Hampshire state animal.
Video: Power Supply Polyacrylamide Gel Protein Sample

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