DPT Physio Questions
Which of the following is not true of proteins?
a. They have both functional and structural roles in the body
b. They appear to be molecular carriers of coded hereditary information
c. Their function depends on their three-dimensional shape
d. They may be denatured or coagulated by heat or acidity - ✔✔b. They appear to be molecular
carriers of coded hereditary information
Which of the following is not true of a polar chemical bond?
a. It is ionized
b. It has opposite electrical charge at each end
c. It is covalent
d. It has no net electrical charge - ✔✔a. It is ionized (water is a polar covalent bond)
Carbohydrates:
a. Are composed of only carbon and hydrogen atoms
b. Are the major organic molecules of the body by mass
c. Have carbon and oxygen atoms in equal proportions
d. Are defined by their inclusion of nitrogen in their structure
e. Are nonpolar molecules - ✔✔c. Have carbon and oxygen atoms in equal proportions
What is a chain of more than 50 amino acids called?
,a. A protein
b. Nucleic acid
c. Polysaccharide
d. Polypeptide - ✔✔a. A protein
Sucrose is a:
a. A disaccharide
b. Monosaccharide
c. Polysaccharide
d. Triglyceride - ✔✔a. A disaccharide
Choose the answer that best describes fibrous proteins
a. Are usually called enzymes
b. Are very stable and insoluble in water
c. Are cellular catalysts
d. Rarely exhibit secondary structure - ✔✔b. Are very stable and insoluble in water
The four elements that make up about 96% of body matter are
a. Nitrogen, hydrogen, calcium, sodium
b. Carbon, oxygen, phosphorous, calcium
c. Carbon, oxygen, hydrogen, nitrogen
d. Sodium, potassium, hydrogen, oxygen - ✔✔c. Carbon, oxygen, hydrogen, nitrogen
, Carbohydrates are stored in the muscle and liver in the form of
a. Glycogen
b. Cholesterol
c. Glucose
d. Triglyceride - ✔✔a. Glycogen
The basic structural material of the body consists of
a. Nucleic acids
b. Proteins
c. Lipids
d. Carbohydrates - ✔✔b. Proteins
Which is a correct description of nucleic acids?
a. They are long polymers of amino acids, folded into an alpha helix.
b. They are polymers of subunits containing glucose, a phosphate group, and an amino acid.
c. They are polymers of subunits containing a phosphate group, a sugar, and a purine or
pyrimidine base.
d. They are polymers of subunits containing glucose and amino acids.
e. They are polymers of subunits containing a phosphate group, a sugar, and an amino acid -
✔✔c. They are polymers of subunits containing a phosphate group, a sugar, and a purine or
pyrimidine base.
Which of the following is not true of proteins?
a. They have both functional and structural roles in the body
b. They appear to be molecular carriers of coded hereditary information
c. Their function depends on their three-dimensional shape
d. They may be denatured or coagulated by heat or acidity - ✔✔b. They appear to be molecular
carriers of coded hereditary information
Which of the following is not true of a polar chemical bond?
a. It is ionized
b. It has opposite electrical charge at each end
c. It is covalent
d. It has no net electrical charge - ✔✔a. It is ionized (water is a polar covalent bond)
Carbohydrates:
a. Are composed of only carbon and hydrogen atoms
b. Are the major organic molecules of the body by mass
c. Have carbon and oxygen atoms in equal proportions
d. Are defined by their inclusion of nitrogen in their structure
e. Are nonpolar molecules - ✔✔c. Have carbon and oxygen atoms in equal proportions
What is a chain of more than 50 amino acids called?
,a. A protein
b. Nucleic acid
c. Polysaccharide
d. Polypeptide - ✔✔a. A protein
Sucrose is a:
a. A disaccharide
b. Monosaccharide
c. Polysaccharide
d. Triglyceride - ✔✔a. A disaccharide
Choose the answer that best describes fibrous proteins
a. Are usually called enzymes
b. Are very stable and insoluble in water
c. Are cellular catalysts
d. Rarely exhibit secondary structure - ✔✔b. Are very stable and insoluble in water
The four elements that make up about 96% of body matter are
a. Nitrogen, hydrogen, calcium, sodium
b. Carbon, oxygen, phosphorous, calcium
c. Carbon, oxygen, hydrogen, nitrogen
d. Sodium, potassium, hydrogen, oxygen - ✔✔c. Carbon, oxygen, hydrogen, nitrogen
, Carbohydrates are stored in the muscle and liver in the form of
a. Glycogen
b. Cholesterol
c. Glucose
d. Triglyceride - ✔✔a. Glycogen
The basic structural material of the body consists of
a. Nucleic acids
b. Proteins
c. Lipids
d. Carbohydrates - ✔✔b. Proteins
Which is a correct description of nucleic acids?
a. They are long polymers of amino acids, folded into an alpha helix.
b. They are polymers of subunits containing glucose, a phosphate group, and an amino acid.
c. They are polymers of subunits containing a phosphate group, a sugar, and a purine or
pyrimidine base.
d. They are polymers of subunits containing glucose and amino acids.
e. They are polymers of subunits containing a phosphate group, a sugar, and an amino acid -
✔✔c. They are polymers of subunits containing a phosphate group, a sugar, and a purine or
pyrimidine base.
