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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?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

six of the 20 amino acids six of the 20 amino acids
Comparison of the titration curves of three weak acids Comparison of the titration curves of three weak acids
Acid Rain and Power Plant Emissions Acid Rain and Power Plant Emissions
Conformations of single-stranded nucleic acids Conformations of single-stranded nucleic acids
Stereochemistry of the a-Amino Acids Stereochemistry of the a-Amino Acids
Aromatic Amino acids Aromatic Amino acids
Video: Mitosis step-by-step

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