Concept explainers
(a)
Interpretation: The limiting amino acids present in the given protein source, wheat has to be stated.
Concept introduction: Limiting amino acids are the essential amino acids which are either absent or present in insufficient amounts in an incomplete dietary protein.
(b)
Interpretation: The limiting amino acids present in the given protein source, beans has to be stated.
Concept introduction: Limiting amino acids are the essential amino acids which are either absent or present in insufficient amounts in an incomplete dietary protein.
(c)
Interpretation: The limiting amino acids present in the given protein source, soy has to be stated.
Concept introduction: Limiting amino acids are the essential amino acids which are either absent or present in insufficient amounts in an incomplete dietary protein.
(d)
Interpretation: The limiting amino acids present in the given protein source, peas has to be stated.
Concept introduction: Limiting amino acids are the essential amino acids which are either absent or present in insufficient amounts in an incomplete dietary protein.
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Chapter 20 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
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- In what way is the protein in a cooked egg the same as that in a raw egg?arrow_forwardWhich of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.arrow_forwardOnce cooked, egg whites remain in a solid form. However, egg whites that are beaten to form meringue will partially change back to a jellylike form if allowed to stand for a while. Explain these behaviors using the concept of reversible protein denaturation.arrow_forward
- Which is NOT a characteristic of proteins? a. They contain genetic information. b. They can act as hormones. c. They can catalyze chemical reactions. d. They act in cell membrane trafficking.arrow_forwardTwo proteins with the same amino acid composition do not have to have the same primary structure. Explain why.arrow_forwardIn a pleated sheet secondary structure for a protein a. describe the general shape of the protein backbone b. describe the general locations for the amino acid R groupsarrow_forward
- How many different primary structures are possible for a four-amino-acid segment of a protein if a. three of the amino acids present must be identical b. the four amino acids must be differentarrow_forwardHow many carbon atoms are present in the R group in each of the following standard amino acids?arrow_forward
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