Life Science Chapter 2

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ethanjenn
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282724
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Life Science Chapter 2
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2014-09-11 11:17:57
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BJU Life Science Lesson Chapter
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Life Science
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BJU Life Science Chapter 2
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  1. What is a complete living thing called?
    Organism
  2. What are the 6 Characteristics of Life or an organism?
    Have Life Cycles

    Can reproduce

    Grow

    Made of cells

    Require energy

    Respond to their environment
  3. What is the smallest living unit of an organism?
    Cell
  4. What is the material inside of the membrane of a cell called?
    Cytoplasm
  5. What surrounds the cell?
    a thin membrane
  6. What are organic compounds?
    Substances that have carbon in them and are usually made by living cells
  7. What does cellular mean?
    made of cells
  8. All organisms are made of ________________?
    cells
  9. What does unicellular mean?
    one-celled
  10. What does multicellular mean?
    made up of many cells
  11. What is energy?
    it is the ability to do work
  12. What is a life process that requires energy?
    movement
  13. ALLĀ  living things are have some type of movement!!!!
  14. All living things use ___________to respond to conditions in their environment.
    ENERGY
  15. What are cells?
    Tiny living structures that make up ALL living things
  16. What does it mean that cells are "specialized"?
    It means that they perform functions that no other cells do.
  17. How was the cell theory discovered?
    In 1665, Robert Hooke noticed tiny box-like structures in a slice of cork. He called these boxes cells.
  18. What does cell theory state:
    All cells come from preexisting cells.

    All living things are made of cells and the products of cells.

    Cells perform the functions of living things
  19. What are some cellular functions?
    All cells use energy.

    All cells manufacture materials.

    All cells respond to their environment.

    All cells reproduce themselves.
  20. What is a molecule?
    It is the smallest unit of a substance that consists of two or more atoms.
  21. What is an atom?
    It is the smallest unit of an element; It forms molecules when it is bonded to other atoms
  22. What is taxonomy?
    It is the science of classifying organisms.
  23. How does classification of organisms (or taxonomy) help us?
    Generalization of organisms

    Finding information about specific organisms is easier.
  24. What are the 8 rules for a scientific name?
    Must have genus and species.

    Latin

    The whole name is EITHER underlined or italicized (but not both)

    Only Genus is Capitalized

    A valid name is one that was applied in 1753 or later.

    Name must not duplicate a previous name.

    The first name that is proposed that follows rules 1-7 has priority.
  25. STUDY THE ENZYME DIAGRAM
  26. STUDY THE PH TABLE
  27. What substances on the PH chart were neutral?
    • Water
    • Blood
    • Seawater
  28. What substances on the PH chart were acidic?
    • stomach acid
    • orange juice
  29. What substances on the PH chart were basic?
    bleach
  30. STUDY THE TAXONOMY CHART
  31. How many levels of classification are there in our classification system? What are they in order.
    seven

    kingdom, phylum, class, order, family, genus, species
  32. STUDY THE MOLECULES OF LIVING ORGANISMS TABLE
  33. What are some molecules in living organisms?
    carbohydrate

    lipids

    protein

    nucleic acid
  34. What are carbohydrates made of?
    carbon, hydrogen, oxygen
  35. Name some examples of carbohydrates
    • sugar
    • starch
    • cellulose
    • glycogen
  36. What are lipids made of?
    lipid molecules
  37. Name some examples of lipids.
    • membranes
    • fat
  38. What are proteins made of?
    amino acids
  39. Name some examples of proteins.
    • enzymes
    • antibodies
    • building blocks
  40. What are nucleic acids made of?
    nucleotides
  41. Name some examples of nucleic acids?
    • DNA
    • RNA
  42. STUDY THE SECTION REVIEW QUESTIONS FROM YOUR TEXTBOOK AND YOUR LAB BOOK!!

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