New Jersey Barber and Hairstyling Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Get ready for the New Jersey Barber and Hairstyling Exam. Study with our challenging multiple-choice questions, detailed explanations, and helpful hints. Be well-prepared and confident for your test day!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Amino acids are joined together by end bonds form a _____________.

DNA Helix
Polypeptide Chain
Fatty Acid
Carbohydrate Chain

The correct answer is: Polypeptide Chain

Amino acids are the building blocks of proteins and are joined together by peptide bonds to form a polypeptide chain. Option A, DNA helix, refers to the structure of DNA, not the joining of amino acids. Option C, fatty acid, and Option D, carbohydrate chain, are not involved in forming proteins. Proteins are made up of one or more polypeptide chains, making Option B the correct choice.