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Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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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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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Structure of a polypeptide Structure of a polypeptide
Biosynthetic routes from pregnenolone to other steroid hormones Biosynthetic routes from pregnenolone to other steroid hormones
Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Alignment of DNA, mRNA, and polypeptide Alignment of DNA, mRNA, and polypeptide
Examples of Polypeptide Production from Synthetic mRNAs Examples of Polypeptide Production from Synthetic mRNAs
Video: Lactation and Breast Feeding

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