Answer: the main function is to control what goes in and out of the cell. It is made of a double layer of lipids (fats) imbedded with odd-looking protein molecules. Because it is a fat, only some things that are very tiny, like water and oxygen pass through this part.
Explanation:
The answer might be lipid A
Answer:
The arches of the foot, formed by the tarsal and metatarsal bones, strengthened by ligaments and tendons, allow the foot to support the weight of the body in the erect posture with the least weight.
Explanation:
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Prenatal medical procedure in which high frequency sound waves are directed into a pregnant woman's abdomen is called ultrasound sonography.
Ultrasound imaging or sonography is often used in medicine as the nondestructive procedure to visualize muscles and many internal organs as well as fetuses during routine and emergency prenatal care..
