What is meant by the amino acid sequence of a protein?
a. Number of side chains in the protein
b. Folding arrangement of the peptide chain
c. Order of amino acids in the peptide chain
d. Order of only the essential amino acids in the protein
c
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Which of the following components of total energy expenditure accounts for 60 to 75% of total calorie needs in most people?
1.basal metabolism 2.physical activity 3.digestion of nutrients 4.absorption of nutrients
Which of the following is NOT a characteristic of a high-risk pregnancy?
1.Pre-pregnancy BMI of 25 2.Maternal eating disorders 3.Poverty 4.Smoking 5.Maternal age less than 15 years old 6.Having twins or triplets
A researcher has isolated an organic, water-soluble chemical from roses. After performing tests, the scientist determines that the chemical supplies no energy for cells, but protects cell membranes from being damaged by certain environmental factors. Based on this information, the researcher may have discovered a(an)
A. teratogen. B. antioxidant. C. amino acid. D. free radical.
Which of the following processes occurs in the liver?
A) HCl production B) bile production C) production of most digestive enzymes D) bile storage