Proteins. <span>The amino acids in a polypeptide chain are linked by peptide bonds. Once linked in the </span>protein<span> chain, an individual amino acid is called a residue, and the linked series of carbon, nitrogen, and oxygen atoms are known as the main chain or </span>protein<span> backbone.</span>
Answer: I think aphasia
Explanation: loss of ability to understand or express speech, caused by brain damage.
The prefixes relate to the number of any given basic unit.
Take weight for example.
You have grams, which is one single gram. Then there's kilograms, which are 1,000 grams.
Same with mass (volume of a liquid.)
It takes 1,000 mililiters to equal 1 liter.
2. is the answer.
please mark as brainliest. i really need it ;-;