QUESTIONS AND VERIFIED CORRECT
SOLUTIONS
◉ Wine has a pH of 3. Tomatoes have a pH of 4. Which statement
below is correct? Answer: The concentration of hydrogen ions is 10
times as great in the wine as in a tomato.
◉ Which level of protein structure would be affected by an agent
that breaks hydrogen bonds? Answer: The secondary level of protein
structure
◉ Why is it significant that keratin and collagen are fibrous proteins
and myoglobin and hemoglobin are globular proteins? Answer: A
and C: (A) Fibrous proteins are tough insoluble in water; they play
structural roles (C) Globular proteins readily enter aqueous
solutions and function only when they are in solution
,◉ glycogen Answer: A polysaccharide that is formed in a liver and
muscle cells to store glucose is
◉ Adenosine Triphosphate (ATP) Answer: What molecule is
produced by the phosphorylation of ADP?
◉ protons + neutrons Answer: The mass number of an atom
represents the number of
◉ two amino acids Answer: Peptide bonds link
◉ Which property of water accounts for the cooling effect of
perspiration? Answer: High heat capacity -- water carries away heat
when it changes from a liquid to a gas
◉ All of the following are true concerning enzymes, except that they
Answer: are consumed during the reaction
◉ digestive Answer: Lungs are to the respiratory system as the liver
is to the _________________ system.
◉ midsagittal section Answer: Which type of section would divide
the body down the midline between the eyes?
, ◉ superior Answer: The head is __________________ to the feet.
◉ anatomical position Answer: A person facing forward with hands
at the sides and palms facing forward is in __________________
◉ peritoneum Answer: The serious membrane covering the stomach
and most of the intestines is called the
◉ homeostasis Answer: The maintenance of a constant internal
environment in an organism is termed
◉ pedal Answer: Which of the following terms refers to the foot?
◉ heart and lungs Answer: The thoracic cavity includes the
◉ distal Answer: The wrist is _______________ to the elbow
◉ cytology Answer: The study of the liver is to gross anatomy as the
study of the liver cell is to
◉ Some pediatricians recommend the use of a 10% salt solution to
relieve congestion for infants with stuffy noses. What effect would
such a solution have on the cells lining the nasal cavity, and why?