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Human Biology

Unit 1 # a

  1.  
    A buffer
    A. Increases the pH of a solution B. Decreases the pH of a solution C. Resists changes in pH in a solution D. Resists changes in pH in a solution.
  2.  
    After the widespread use of pesticides in agriculture, many pest insects have developed a resistance to those compounds and are no longer affected. This example best illustrates which of the features that define living things?
    A. Reproduction and Growth B. Response of Stimulus C. Evolution over Time D. Maintaining Homeostasis
  3.  
    One major difference between Prokaryotes and Eukaryotes is
    A. The presence or absence of Flagella. B. The presence or absence of a Cell Wall. C. The presence or absence of DNC in the cell. D. The presence or absence of a Nucleus in the cell.
  4.  
    A researcher believes that adults in a particular city, age 50 and over, have an immunity to a particular cold virus due to an epidemic in the past. They then test the individuals in that particular city, as well as, a city where no epidemics of that vir
    A. A dependent variable B. A variable C. A control group D. A test group
  5.  
    Fill in the blank with with the best option: In order for a cell to create a new protein. It begins with a DNA sequence, which it transcribes into a(n)________, which is then translated into an Amino acid sequence.
    A. RNA Sequence B. Genetic Sequence C. Phospholipid sequence D. Ribosomal sequence
  6.  
    In terms of the electrons involved in Chemical Bonds, Covalent bonds_________ electrons, while Ionic Bonds_______electrons.
    A. Share, Donate/Take B. Share, Share C. Donate/Take, Share D. Lose, Gain
  7.  
    The combination of an egg cell with 23 chromosomes and a sperm cell with 23 chromosomes, to make a cell with 46 total chromosomes, is a process called
    A. Fertilization B. Crossing over C. Differentiation D. Meiosis
Answer Key
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Human Biology (Answer Key)

Unit 1 # a

  1.  
    A buffer
    A. Increases the pH of a solution B. Decreases the pH of a solution C. Resists changes in pH in a solution D. Resists changes in pH in a solution.
  2.  
    After the widespread use of pesticides in agriculture, many pest insects have developed a resistance to those compounds and are no longer affected. This example best illustrates which of the features that define living things?
    A. Reproduction and Growth B. Response of Stimulus C. Evolution over Time D. Maintaining Homeostasis
  3.  
    One major difference between Prokaryotes and Eukaryotes is
    A. The presence or absence of Flagella. B. The presence or absence of a Cell Wall. C. The presence or absence of DNC in the cell. D. The presence or absence of a Nucleus in the cell.
  4.  
    A researcher believes that adults in a particular city, age 50 and over, have an immunity to a particular cold virus due to an epidemic in the past. They then test the individuals in that particular city, as well as, a city where no epidemics of that vir
    A. A dependent variable B. A variable C. A control group D. A test group
  5.  
    Fill in the blank with with the best option: In order for a cell to create a new protein. It begins with a DNA sequence, which it transcribes into a(n)________, which is then translated into an Amino acid sequence.
    A. RNA Sequence B. Genetic Sequence C. Phospholipid sequence D. Ribosomal sequence
  6.  
    In terms of the electrons involved in Chemical Bonds, Covalent bonds_________ electrons, while Ionic Bonds_______electrons.
    A. Share, Donate/Take B. Share, Share C. Donate/Take, Share D. Lose, Gain
  7.  
    The combination of an egg cell with 23 chromosomes and a sperm cell with 23 chromosomes, to make a cell with 46 total chromosomes, is a process called
    A. Fertilization B. Crossing over C. Differentiation D. Meiosis

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