MODULE 10: Proteins and Protein Metabolism

What is the meaning of the Greek word 'proteios' from which the name 'protein' is derived?

• To maintain balance

• To take first place

• To build muscle

• To create energy

What percentage of the body weight consists of protein?

• 30%

• 10%

• 19%

• 25%

Which of the following is not a body fluid that contains proteins?

• Blood

• Saliva

• Tears

• Sweat

What are the usual components of proteins?

• Carbon, Hydrogen, Oxygen, Nitrogen, Sodium, Potassium

• Carbon, Hydrogen, Oxygen, Nitrogen, Calcium, Iron

• Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur, Phosphorus

• Carbon, Hydrogen, Oxygen, Nitrogen, Magnesium, Zinc

How are amino acids linked to form proteins?

• By ionic bonds

• By covalent bonds

• By hydrogen bonds

• By peptide bonds

Which method is used for the isolation of proteins from natural sources by selective passage of ions and small molecules through a semi-permeable membrane?

• Precipitation

• Chromatography

• Dialysis

• Filtration

Which type of protein contains another type of molecule or compound attached to the amino acid unit?

• Simple Protein

• Primary Derived Protein

• Secondary Derived Protein

• Conjugated Protein

Which type of protein contains all the essential amino acids in sufficient amount?

• Secondary Derived Protein

• Primary Derived Protein

• Partially Incomplete Protein

• Complete or Adequate Protein

What is the primary function of proteins in the body?

• To store energy

• To regulate body temperature

• To build tissues and repair cells

• To aid in digestion

What is the fate of absorbed amino acids in the body?

• They are synthesized into body protein for growth and repair

• They are excreted as waste

• They are used for energy production

• They are stored in the liver