Acquiring sufficient vitamin B-12 from the diet may be a problem for vegans because
A. it is only found in animal products.
B. they lack the R-protein in the stomach.
C. protein deficiency limits synthesis of intrinsic factor.
D. phytic acid in vegetable proteins may inhibit its absorption.
Answer: A
You might also like to view...
A study conducted in several countries where a high intake of fish and a low intake of animal fat were correlated with a low rate of breast cancer death is an example of a(n): a. epidemiological study. b. case study
c. intervention study. d. blind experiment. e. laboratory study.
Discuss the development and real-world application of dietary guidance systems. Name two components of the system
What are the parts of an animal that are often discarded, such as lamb's brain, pig's tail, and calf's heart, called?
a. mirepoix b. veloute c. offal d. trifle e. sweetbreads
How do the chemical structures such as bonding and branching impact the structure, properties, and functions of the digestible carbohydrates and fibers found in food?