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Graduate Science Questions

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Graduate Molecules and Compounds
Which symbol represents water?
  1. [math]H_2 O[/math]
  2. [math]H_3 O[/math]
  3. [math]C_2 O[/math]
Graduate Cell Structure and Function
Graduate Acids and Bases
Graduate Acids and Bases
The difference in pH units between two acidic solutions is three. How much more acidic is the stronger acid than the weaker acid?
  1. 3 times more acidic
  2. 30 times more acidic
  3. 100 times more acidic
  4. 1000 times more acidic
Graduate Acids and Bases
Select the most complete explanation of what the pH scale actually measures
  1. The acidity of a solvent
  2. The alkalinity of a solvent
  3. The concentration of hydrogen ions in a solution
  4. The concentration of hydroxide ions in a solute
Graduate Microbiology
Is a virus alive?
  1. Yes, it possesses all of the requirements for life.
  2. Yes, it possesses enough of the requirements for life to be considered living
  3. No, it does not possess all of the requirements for life.
  4. No, it does not possess any of the requirements for life
Graduate DNA, RNA, and Genetics
Mendel summarized his findings in which two genetic laws?
  1. The laws of codominance and recessive genes
  2. The laws of characteristics and traits
  3. The laws of segregation and independent assortment
  4. The laws of mutations and variations
Graduate Cell Structure and Function
What passes through the nuclear pores?
  1. RNA
  2. DNA
  3. DNA and RNA
  4. None of these
Graduate Bonds and Mixing
An ionic bond is...
  1. opposite charges attract
  2. when compounds come together
  3. a bond with two elements
  4. when atoms share electrons
Graduate Macromolecules
Lipids are all                .
  1. hydrophonic
  2. hydrophilic
  3. hydrophobic
  4. hydrolytic
Graduate Evolution
What is speciation?
  1. A species that separates into two or more species in later generations
  2. A hybrid
  3. Genetic Drift
  4. Mutation
Graduate Cell Structure and Function
Graduate Macromolecules
What is the chemical equation for glucose?
  1. C2H4O2
  2. C4H8O4
  3. C6H12O6
  4. C8H16O8
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