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5 Written questions

5 Matching questions

  1. Cell Signaling (Proteomes)
  2. Genome Characteristics
  3. Experimental Group
  4. Discovery Based Science
  5. Experimental Variable
  1. a independent variable, the component or factor being tested
  2. b in an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.
  3. c 1. Stores information in a stable form: The genome of every organism stores information that provides a blueprint to create its characteristics.

    2. Provides continuity from generation to generation: The genome is copied and transmitted from generation to generation.

    3. Acts as an instrument of evolutionary change: Every now and then, the genome undergoes a mutation that may alter the characteristics of an organism. In addition, a genome may acquire new genes by horizontal gene transfer. The accumulation of such changes from generation to generation produces the evolutionary changes that alter species and produce new species.
  4. d Proteins are needed for cell signaling with other cells and with the environment. The molecular mechanisms by which cells detect and respond to external stimuli and send messages to other cells
  5. e Experimentation that does not require a preconceived hypothesis. In some cases, the goal is to collect data to be able to formulate a hypothesis.

5 Multiple choice questions

  1. Proteins that speed up chemical reactions. Proteins function as enzymes to synthesize and break down cellular molecules and macromolecules.
  2. Cells are the units of life
  3. Proteins facilitate the uptake and export of substances. Protein molecules that help to transport substances throughout the body and across cell membranes
  4. 1. Genetic exchange between different species
    2. Relatively rare
    3. Ex: Genes that confer antibiotic resistance are sometimes transferred between different bacteria species
  5. 1. Proposed explanation for a natural phenomenon
    2. Educated guess based on previous observations or experimental studies
    3. Hypothesis must make predictions that can shown to be correct or incorrect (must be falsifiable)
    4. Additional observations or experiments support or reject a hypothesis
    5. A hypothesis is never absolutely proven
    6. We may not have found the true explanation for a phenomenon.

5 True/False questions

  1. Archaeaentire set of genetic information that an organism carries in its DNA

          

  2. Bacteriain a modern taxonomic system, a domain made up of all eukaryotes; this domain aligns with the traditional kingdoms Protista, Fungi, Plantae, and Animalia

          

  3. Cell Organization (Proteomes)Proteins are needed for cell signaling with other cells and with the environment. The molecular mechanisms by which cells detect and respond to external stimuli and send messages to other cells

          

  4. Unit of OrganizationCells are the units of life

          

  5. Seven Characteristics of Life1. Cells and Organization
    2. Energy Use and Metabolism
    3. Response to Environmental Changes
    4. Regulation and Homeostasis
    5. Growth and Development
    6. Reproduction
    7. Biological Evolution

          

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