Biology Unit 1 Quiz

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1. What is an aneurysm in the brain called?

  • Confusion - Cerebro Entropic State
  • Stroke - Cerebro Vascular Accident
  • Coma - Vegative State
  • Seizure - Cerebro Vascular Aneurysm
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2. Which of these is not a factor affecting the rate of diffusion?

  • Diffusion Distance
  • Concentration gradient
  • The Genes of the person
  • Surface Area

3. Which of these is not a stage in causing cholera?

  • The Cl- move from the cell into the gut, lowering the water potential
  • The bacterium lays dormant in a tubercle for years
  • The bacterium releases a toxin which open the Cl- channels
  • Water moves out of the cell into the gut, causing diarrhoea

4. What is the function of mitochondria?

  • Protein synthesis
  • Produces ATP to release energy used for aerobic respiration
  • Produces ATP in aerobic respiration which releases energy
  • Produces energy in aerobic respiration

5. What difference is there the second ultracentrifugion?

  • Spin it faster
  • Decrease pH
  • Increase Temperature
  • Increase Concentration



Sucrose is not a reducing sugar. Fructose is a reducing sugar. 

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