15 Questions
What is the general formula for an amino acid?
NH2---COO---R
What is the main source of energy in the diet?
Carbohydrates
Which carbohydrate is indigestible by man but provides important bulk to the gut contents?
Cellulose
Which complex carbohydrate needs to be broken down into simple carbohydrates before transport to the cells of the body?
Starch
Which macronutrient is composed of polypeptide chains?
Proteins
What is the general formula for carbohydrates as mentioned in the text?
Cx(H2O)y
How are proteins formed from amino acids?
Peptide bonds
Which of the following is an example of a simple carbohydrate mentioned in the text?
Glucose
In what form do complex carbohydrates need to be broken down for transport to the cells of the body?
Monosaccharides
Why is cellulose important despite being indigestible by humans?
It prevents constipation
Which nutrient is composed of polypeptide chains?
Proteins
Which nutrient can also be used as an energy source besides its other roles?
Proteins
What forms peptide bonds to create polypeptide chains?
Amino acids
Why are proteins considered essential in nearly all biological processes?
They play key roles
How many different common amino acids are found in proteins according to the text?
20
Learn about the role of carbohydrates as the main source of energy in the diet. Explore the differences between simple and complex carbohydrates, and how they are broken down in the body for energy production.
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