15 Questions
Which of the following is a macronutrient that provides the body with energy?
Protein
Which nutrient is found throughout the body and makes up the enzymes that power many chemical reactions?
Protein
Which type of vitamin is water soluble and essential for the body?
Vitamin B1
Which mineral is essential for carrying oxygen in the blood?
Iron
What are the two categories into which essential nutrients can be broken down?
Energy-providing and non-energy-providing
Which of the following is not a function of proteins within organisms?
Transporting oxygen in the blood
What is the primary determinant of the differences between proteins?
The sequence of amino acids
What is the term used for a linear chain of amino acid residues?
Polypeptide
How many standard amino acids does the genetic code generally specify?
20
What is the term commonly used for short polypeptides containing less than 20–30 residues?
Peptides
What is the term for the specific 3D structure that determines a protein's activity?
Tertiary structure
Which type of bond holds adjacent amino acid residues together in a protein?
Peptide bond
What is the term used for a protein that contains at least one long polypeptide?
Macromolecule
Which additional amino acid, not included in the 20 standard amino acids, can be present in the genetic code of certain organisms?
Selenocysteine
What is the term commonly used for short polypeptides containing less than 20–30 residues?
Peptide
Explore the fundamental concepts of essential nutrients and their significance in maintaining good health. Learn about macronutrients and micronutrients, and their roles in disease prevention and growth.
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