Vitamin ________ can be produced in the skin in response to ultraviolet light.
A. E
B. C
C. A
D. D
Answer: D
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Which of the following is true about new biotechnology?
A. Compared to conventional breeding, it is more inefficient and has inconsistent results. B. It differs from traditional methods because it does not change any of the genetic material (DNA) of organisms to improve characteristics. C. The public's response to its use has been extremely positive. D. It allows scientists to create fruits and grains with greater amounts of nutrients such as beta-carotene (e.g., golden rice) and vitamins E and C.
Samantha is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. The soup has to cook for 4 hours. While the soup is cooking, what will happen to some of the minerals that are in its ingredients?
A. The minerals will leach out of the ham and vegetables and into the watery portion of the soup. B. The minerals will denature and become less bioavailable. C. The relatively high temperature that is needed to cook the soup will destroy the iron, phosphorus, and sulfur in the vegetables. D. Unless Samantha places a cover on the soup pot, the minerals will decompose when exposed to light and oxygen.
After she ate her usual dinner, Kamala had an ice cream sundae for dessert. Which metabolic process is predominating?
a. Glycogenesis b. Glucose synthesis c. Glycogenolysis d. Gluconeogenesis
Is a chronic disease such as diabetes determined by our genes or by our lifestyle?