In the form of passive transport called _______________ a substance crosses a cell membrane with the assistance of a transport protein.
Fill in the blank(s) with correct word
Question 2
Which of the following is true regarding fluoride?
a. Whole grains, artichokes, and bananas are good sources.
b. A very low intake of fluoride results in skeletal fluorosis.
c. Very few foods are good sources of fluoride.
d. Because excesses are readily excreted, there is no UL for fluoride.