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Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Illicit drug use costs the United States approximately $181 billion every year.

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

A comparison of the sizes of various chemical and biological structures, and the resolving power of A comparison of the sizes of various chemical and biological structures, and the resolving power of
Plant cell-to-cell junctions known as middle lamella Plant cell-to-cell junctions known as middle lamella
Plants Plants
The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium. The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium.
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria
Video: Junction Types - Tight and Adherens Junctions

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