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Graduate Science Questions

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Graduate Acids and Bases
Graduate Cell Structure and Function
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 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 Evolution
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 Scientific Method
What does the term "theory" mean to a scientist?
  1. A collection of accepted hypotheses that explain a wide range of natural phenomena
  2. A guess
  3. A proposed explanation for an observed phenomenon
  4. A hypothesis that has been supported by the evidence of an experiment
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 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 Evolution
As what is evolutionary fitness defined?
  1. Sexual selection
  2. The ability of an organism to survive and reproduce
  3. Directional Selection
  4. Selected for or against
Graduate Cell Structure and Function
What passes through the nuclear pores?
  1. RNA
  2. DNA
  3. DNA and RNA
  4. None of these
Graduate DNA, RNA, and Genetics
Haploid male and female gametes unite in a process called                    .
  1. Parthenogenesis
  2. Sending out runners
  3. Fertilization
  4. Oceanography
Graduate DNA, RNA, and Genetics
Graduate Macromolecules
What are the monomers of proteins?
  1. Hydrochloric acids
  2. Nucleic acids
  3. Carboxylic acids
  4. Amino acids
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