- Grade 11 and 12 Mathematics (Moderator: geoffrey)
|
Author Question: In a recent poll 4000 people were asked this question, "If you could pick anyone you want for Hero ... (Read 3786 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.