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Author Question: Assume that coffee and tea are substitutes. When the price of coffee increases A) the supply of ... (Read 33 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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.