Answer the following question given this paragraph: The crust is less than 1% of Earth by mass. The two types are oceanic crust and continental crust. Q: What are the two types of earth crust? Choices: - reflective and continental - micro and continental - amorphous and continental - oceanic and continental A:
oceanic and continental
Answer the following question given this paragraph: These mutations may result in a protein with the same function, with altered function, or with no function. Silent mutations , as they code for the same amino acid, will have no altered effect on the protein. Missense mutations may have a minor effect or a dramatic effect on the protein. Nonsense mutations usually have the most dramatic effet. Depending on the position of the premature stop codon, nonsense mutations may result in an unstable mRNA that cannot be translated, or in a truncated mRNA and a much "smaller" protein without any significant activity. Q: Which kind of mutations have the most dramatic effect on proteins? Choices: - arbitrary mutations - sight mutations - cancerous mutations - nonsense mutations A:
nonsense mutations
Q: Answer the following question given this paragraph: Schrodinger developed an equation that could be used to calculate the chances of an electron being in any given place around the nucleus. Based on his calculations, he identified regions around the nucleus where electrons are most likely to be. He called these regions orbitals . As you can see in the Figure below , orbitals may be shaped like spheres, dumbbells, or rings. In each case, the nucleus of the atom is at the center of the orbital. You can see animated models of orbitals this URL: http://www. chemistry. wustl. edu/~edudev/Orbitals/movie. html . Q: What term did schrodinger use for regions around the nucleus where electrons are most likely to be? Choices: - arrays - isotopes - ellipses - orbitals A:
A: orbitals
Question: Answer the following question given this paragraph: Some of these pennies are shiny and copper colored. That's how pennies look when they are new. The older pennies are dull and brown. Copper at the surface of these pennies has combined with air to become a different substance with different properties. The change in color shows that a chemical change has occurred. Q: What type of change has occurred when a copper penny changes color? Choices: - contamination change - carbon change - reactive change - chemical change A:
Answer: chemical change
*Question*
Answer the following question given this paragraph: Q: Each proton has how many units of positive charge? Choices: - three - zero - two - one A:
**Answer**
one
Q: Answer the following question given this paragraph: The smallest piece of an element that maintains the identity of that element is called an atom. Individual atoms are extremely small. It would take about fifty million atoms in a row to make a line that is 1 cm long. The period at the end of a printed sentence has several million atoms in it. Atoms are so small that it is difficult to believe that all matter is made from atomsbut it is. The concept that atoms play a fundamental role in chemistry is formalized by the modern atomic theory, first stated by John Dalton, an English scientist, in 1808. It consists of three parts: 1. Q: An atom is the smallest unit of what that maintains the identity of the latter? Choices: - mixture - organism - cell - element A:
A: element