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Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Structure of a eukaryotic flagellum Structure of a eukaryotic flagellum
Structure of chlorophyll molecules in chloroplasts of plants Structure of chlorophyll molecules in chloroplasts of plants
The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen
A rubber mallet used to deliver a force to an object without harming the surface. A rubber mallet used to deliver a force to an object without harming the surface.
The cellular structure of the mammalian retina. The cellular structure of the mammalian retina.
Properties of some naturally occurring RNA molecules Properties of some naturally occurring RNA molecules
Video: Mechanics of Sound Animation

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