<span>people with an impulsive personality have a higher rate of substance abuse and dependence.</span>
Answer:
carbondioxide last in about 300 to a 1000 years in the atmosphere
Small, highly concentrated cell organelles that produce proteins are called <span>ribosomes. Ribosomes can be free-floating or attached to endoplasmic reticulum.</span>
Sound waves enter the outer ear and pass into the ear canal where the waves cause the eardrum to vibrate.
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Answer:
C. A chain of amino acids
Explanation:
Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein. ... These proteins bind and carry atoms and small molecules within cells and throughout the body.
