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Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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People about to have surgery must tell their health care providers about all supplements they take.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Effects of lactose and glucose on the expression of the lac operon Effects of lactose and glucose on the expression of the lac operon
Chemical synthesis of a peptide on an insoluble polymer support Chemical synthesis of a peptide on an insoluble polymer support
Insulin, glucagon, and blood glucose Insulin, glucagon, and blood glucose
Blood Glucose Levels Blood Glucose Levels
Summary of glucose oxidation. Summary of glucose oxidation.
Pathway for conversion of glucose monomers to polymeric glycogen Pathway for conversion of glucose monomers to polymeric glycogen
Video: Junction Types - Tight and Adherens Junctions

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