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Author Question: Cultures are systems, so a change in one aspect of a culture is likely to result in changes in other ... (Read 19 times) |
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.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.