A researcher has isolated an organic, water-soluble chemical from roses. After performing in vivo tests, the scientist determines that the chemical supplies no energy for cells, but protects cell membranes from being damaged by certain environmental factors. Based on this information, the researcher may have discovered a(n) ________.
A. precursor
B. autoanalyzing agent
C. antioxidant
D. amino acid
Answer: C
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Leptin production decreases when:
A) body fat decreases. B) the body is in a state of negative energy balance. C) glucose content in blood increases. D) energy intake is more than energy expenditure.
PD is an 11-month-old M with phenylketonuria. His mother brought him in to visit you at an outpatient nutrition center in the local pediatric hospital. LT: 28 inches WT: 8.7 kg Should PD's mom not be compliant with her diet, PD could potentially develop all of the following except:
a. mental retardation. b. seizures. c. tyrosine deficiency. d. eczema.
How do the energy nutrients in breast milk compare to those in cow’s milk?
What will be an ideal response?
Cirrhosis of the liver is characterized by extensive scarring that occurs as the liver tries to repair itself in response to damage. This condition has many causes, most notably chronic alcoholism. Why can excessive consumption of alcohol (a toxin) lead to cirrhosis?