ExamName___________________________________MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.1) What element makes protein different from carbohydrate and fat?A) nitrogenB) carbonC) oxygenD) hydrogen1)2) What dictates the structure of a protein molecule synthesized by the body?2)3) Which of the following is NOT a component of an amino acid molecule?3)4) Which part of an individual amino acid distinguishes it from other amino acids?4)5) The part of the protein molecule that contains nitrogen is theA) amine group.B) acid group.C) side chain.D) hydrogen group.5)6) In phenylketonuria (PKU), which amino acid becomes conditionally essential?6)7) A polypeptide consist of how many strings of amino acids?7)8) The distinctive spiral shape of a protein is known as its ________ structure.8)9) A complete proteinA) has not been denatured.B) is composed of only di-and tripeptides.C) contains all 9 essential amino acids.D) contains all 20 amino acids.9)10) The process of transferring the amine group from one amino acid to another is called10)11) Two amino acids are joined together by a peptide bond to form a dipeptide. What is theby-product of this process?11)1
12) Which of the following foods is a source of complete protein?12)13) Egg whites stiffen when they are whipped. The change that occurs in the protein is calledA) transcription.B) translocation.C) deamination.D) denaturation.13)14) In what structure of the mammalian cell are proteins synthesized?14)15) MOST of the proteins in the body are synthesized from15)16) The process through which messenger RNA (mRNA) copies genetic information from DNA andcarries it to the ribosome is called16)
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