The following are parts of an amino acid except: amino group false carbonyl group true carboxyl group false R group false Single Peptide bond formation is a type of: dehydration reaction true hydrogenation reaction false dehydrogenation reaction false None of the above false Single The following statements about protein structure are true except: The R groups of amino acids are needed in the formation of secondary structures true Amino acids are categorized into four groups false The side chains of amino acids are needed in the formation of tertiary structures false The way the polypeptides of a protein were folded matters in determining the latter’s identity false Single Anemia is a medical condition that can usually be treated by eating food high in which element? Zinc false Magnesium false Iron false Potassium false Single Which of the following is an example of a contractile protein? Hemoglobin false Actin true Keratin false Ferritin false Single This is the only protein structure with two definite forms. Primary structure false Secondary structure true Tertiary structure false Quaternary structure false Single What makes an individual amino acid unique? Its R group true The type of proteins that it can form false The placement of its alpha carbon false All of the above false Single Which protein does not belong in the group? Keratin false Collagen false Tubulin false Ovalbumin true Single Which of the following amino acids does not belong in the group? Leucine true Tryptophan false Phenylalanine false Tyrosine false Single Which of the following conditions can lead to obesity? Anemia false Glucose resistance false Insulin resistance true Lactose intolerance false Single