Q: Answer the following question given this paragraph: The electrochemical potential across a membrane determines the tendency of an ion to cross the membrane. The membrane may be that of a cell or organelle or other sub cellular compartment. The electrochemical potential arises from three factors:. Q: The electrochemical potential across a membrane determines the tendency of an ion to do what? A:

OPTIONS:
- attach to the membrane
- move away from the membrane
- destroy the membrane
- cross the membrane

A: cross the membrane

input: OPTIONS:
- a carbon
- a hydrogen
- a cobalt
- an alloy Now, answer this question: Answer the following question given this paragraph: Steel is an example of an alloy. An alloy is a mixture of a metal with one or more other elements. The other elements may be metals, nonmetals, or both. An alloy is a solid solution. It is formed by melting a metal and dissolving the other elements in it. The molten solution is then allowed to cool and harden. Several other examples of alloys and their uses are shown in Figure below . You can learn about an amazing alloy called memory wire at the URL below. If you have braces on your teeth, you may even have this alloy in your mouth!. Q: A mixture of a metal with one or more other elements is called? A:
A:
output: an alloy

Answer the following question given this paragraph: Carbohydrates are nutrients that include sugars, starches, and fiber. There are two types of carbohydrates: simple and complex. Pictured below are some foods that are good sources of carbohydrates ( Figure below ). Q: Name the 2 types of carbohydrates? A:

OPTIONS:
- simple and thermal
- simple and nuclear
- simple and structural
- simple and complex

Answer: simple and complex

Problem: OPTIONS:
- rejection of foreign bodies
- fight or flight
- immune response
- inflammatory response
Q: Answer the following question given this paragraph: The second line of defense includes the inflammatory response and phagocytosis by nonspecific leukocytes. Q: What is the second line of defense? A:
Answer: inflammatory response

Problem:OPTIONS:
- ions
- molecules
- charges
- atoms

Answer the following question given this paragraph: The Noble Gases The noble gases are helium, neon, argon, krypton, xenon, and radon. Because the noble gases are composed of only single atoms, they are monatomic. At room temperature and pressure, they are unreactive gases. Because of their lack of reactivity, for many years they were called inert gases or rare gases. However, the first chemical compounds containing the noble gases were prepared in 1962. Although the noble gases are relatively minor constituents of the atmosphere, natural gas contains substantial amounts of helium. Because of its low reactivity, argon is often used as an unreactive (inert) atmosphere for welding and in light bulbs. The red light emitted by neon in a gas discharge tube is used in neon lights. Q: Noble gases are monatomic because they only contain one of what? A:
****
A: atoms

Problem:OPTIONS:
- primary colors
- dark matter
- dust mites
- visible light

Answer the following question given this paragraph: The Tyndall effect is the scattering of visible light by colloidal particles. Q: The tyndall effect refers to the scattering of what by colloidal particles? A:
****
A:
visible light