This topic contains a solution. Click here to go to the answer

Author Question: In the form of passive transport called _______________ a substance crosses a cell membrane with the ... (Read 79 times)

armygirl

  • Hero Member
  • *****
  • Posts: 556
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

T4T

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

facilitated diffusion

Answer to Question 2

c





 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

For a complete list of videos, visit our video library