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Did you know?

Thyroid conditions may make getting pregnant impossible.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell. Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell.
Major types of microbial cell shapes. Major types of microbial cell shapes.
A cell A cell
brain 2 brain 2
The cell wall of a Gram-positive bacterium, S. aureus The cell wall of a Gram-positive bacterium, S. aureus
Superior view of transverse section through eyeballs and brain Superior view of transverse section through eyeballs and brain
Video: Transferring genes into plants Animation

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