Bio 2 Warm-up #10

15 Questions | Total Attempts: 74

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Bio 2 Warm-up #10

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 need to obtain energy.

    • B. 

      Both need to produce glucose.

    • C. 

      Both use the same method of absorbing water.

    • D. 

      Both occupy the same position in a food chain.

  • 3. 
    Which must be true of any hypothesis?
    • A. 

      Must be testable

    • B. 

      Must undergo peer review

    • C. 

      Must be approved by professionals

    • D. 

      Must be proven correct by research

  • 4. 
    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.

  • 5. 
    What is the process that copies a gene’s DNA sequence into a sequence of RNA?
    • A. 

      Initiation

    • B. 

      Insertion

    • C. 

      Transcription

    • D. 

      Translation

  • 6. 
    Which statement best compares aerobic and anaerobic respiration?
    • A. 

      Less ATP is generated during anaerobic respiration than during aerobic respiration.

    • B. 

      More water is generated during anaerobic respiration than during aerobic respiration.

    • C. 

      More oxygen is generated during anaerobic respiration than during aerobic respiration.

    • D. 

      Less lactic acid is generated during anaerobic respiration than during aerobic respiration.

  • 7. 
    Which describes when two different species utilize the same resource?
    • A. 

      Crowding

    • B. 

      Predation

    • C. 

      Parasitism

    • D. 

      Competition

  • 8. 
    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

  • 9. 
    Which process produces the most variation within a species?
    • A. 

      Asexual reproduction

    • B. 

      Mitosis

    • C. 

      Cloning

    • D. 

      Sexual reproduction

  • 10. 
    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.

  • 11. 
    How would overexposure to X-rays affect most animal cells?
    • A. 

      It would cause an increase in red blood cell production.

    • B. 

      It would increase cell specialization in organs.

    • C. 

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

    • D. 

      It would produce new nucleotides for DNA molecules.

  • 12. 
    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

  • 13. 
    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.

  • 14. 
    The part of cellular respiration in which glucose is broken down is called___.
    • A. 

      Electron transport

    • B. 

      Glycolysis

    • C. 

      Photosynthesis

    • D. 

      Aerobic respiration

  • 15. 
    In the diagram, structure A is the ___ and structure B is the ___.
    • A. 

      Thylakoid; stroma

    • B. 

      Inner membrane; matrix

    • C. 

      Stroma; matrix

    • D. 

      Granum; thylakoid

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