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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Partially cremated skull from Lake Mungo, Australia. Partially cremated skull from Lake Mungo, Australia.
Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism
Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism
The research methods that sociologists choose depend partially on the questions they want to answer. ... The research methods that sociologists choose depend partially on the questions they want to answer. ...
Should Parents Make Their Own Baby Food? Should Parents Make Their Own Baby Food?
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Video: Metaphase I Animation

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