Cp Bio 2 Warm-up Quiz #5 (Fall 2014)

15 Questions | Attempts: 176
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Questions and Answers
  • 1. 
    Which describes a difference between DNA and RNA? 
    • A. 

      DNA constructs proteins whereas RNA translates genetic information.

    • B. 

      DNA makes up ribosomes whereas RNA transfers genetic information.

    • C. 

      DNA translates genetic information whereas RNA maintains genetic information.

    • D. 

      DNA maintains genetic information whereas RNA helps construct proteins based on genetic information.

  • 2. 
    Which is similar between autotrophs and heterotrophs? 
    • A. 

      Both use the same method of absorbing water.

    • B. 

      Both need to obtain energy.

    • C. 

      Both need to produce glucose.

    • D. 

      Both occupy the same position in a food chain.

  • 3. 
    A human male gamete cell contains ___ chromosomes and is said to be ___ which is symbolized by ___. 
    • A. 

      46 … haploid … 1n

    • B. 

      23 … haploid … 1n

    • C. 

      23 … diploid … 2n

    • D. 

      46 … diploid … 2n

  • 4. 
    What is the process that copies a gene’s DNA sequence into a sequence of RNA? 
    • A. 

      Transcription

    • B. 

      Translation

    • C. 

      Insertion

    • D. 

      Initiation

  • 5. 
    What will most likely be the result if all of the mitochondria are removed from a plant cell? 
    • A. 

      It will be unable to carry out respiration.

    • B. 

      It will lose water through osmosis.

    • C. 

      It will break down the ribosomes in the cell.

    • D. 

      It will be unable to photosynthesize.

  • 6. 
    Which process produces the most variation within a species? 
    • A. 

      Mitosis

    • B. 

      Cloning

    • C. 

      Asexual reproduction

    • D. 

      Sexual reproduction

  • 7. 
    Why is meiosis important for sexual reproduction? 
    • A. 

      It allows the zygote formed from fertilization to have triple the chromosome number of the organism.

    • B. 

      It allows gametes to have twice the original number of chromosomes of the organism.

    • C. 

      It allows gametes to have half the original number of chromosomes of the organism.

    • D. 

      It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.

  • 8. 
    How would overexposure to X-rays affect most animal cells? 
    • A. 

      It would increase cell specialization in organs.

    • B. 

      It would change the sequence of DNA nucleotides in affected cells.

    • C. 

      It would produce new nucleotides for DNA molecules.

    • D. 

      It would cause an increase in red blood cell production.

  • 9. 
    Which is one reason scientists produce transgenic organisms? 
    • A. 

      to create new species of organisms

    • B. 

      To control microorganisms in the soil

    • C. 

      To prevent habitats from being destroyed

    • D. 

      To treat certain types of diseases

  • 10. 
    What is the relationship between the photosystems and the Calvin cycle? 
    • A. 

      The photosystems produce ATP synthase for the Calvin cycle.

    • B. 

      The photosystems build sugars with the carbon dioxide produced by the Calvin cycle.

    • C. 

      The photosystems transfer energy to the Calvin cycle through ATP and NADPH.

    • D. 

      The photosystems transfer hydrogen ions and carbon dioxide to the Calvin cycle.

  • 11. 
    The part of cellular respiration in which glucose is broken down is called___. 
    • A. 

      Electron transport

    • B. 

      Glycolysis

    • C. 

      Photosynthesis

    • D. 

      Aerobic respiration

  • 12. 
    The major source of the oxygen that is released into the atmosphere is 
    • A. 

      Cellular respiration

    • B. 

      Photosynthesis

    • C. 

      Automobile exhaust

    • D. 

      Thee weathering of rocks

  • 13. 
    Which statement best describes the primary function of DNA replication? 
    • A. 

      To ensure daughter cells have a complete copy of the DNA

    • B. 

      To prevent mutations from occurring in cells

    • C. 

      To provide genetic variation within specific organisms

    • D. 

      To allow prokaryotic cells to undergo meiosis

  • 14. 
    Which cellular process converts solar energy into chemical energy? 
    • A. 

      Respiration

    • B. 

      Transpiration

    • C. 

      Chemosynthesis

    • D. 

      Photosynthesis

  • 15. 
    An ion must cross the cell membrane through active transport instead of passive transport when the ion is ___. 
    • A. 

      Negatively charged

    • B. 

      Carried across by a protein

    • C. 

      Going against the concentration gradient

    • D. 

      Too small to move independently

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