LS 1

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Author:
cedward
ID:
196533
Filename:
LS 1
Updated:
2013-01-30 02:45:13
Tags:
Life science
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Description:
midterm 1
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  1. if length increases by X
    S. area increases by  __
    volume increases by  __
    SA: X^2

    V:   X^3
  2. Ways to counter SA/V problem
    • change in shape
    • adding folds
  3. Elements of a successful test:
    • replication
    • control
  4. Isometry V.S. Allometry
    • Isometry: proportions stay the same
    • Allometry: proportions change with size
  5. Larger animals usually have:

    _______ absolute metabolisms &
    _______ relative metabolisms
    • larger
    • smaller
  6. Example of things affected by SA/V ratio
    • Gas exchange
    • body heat
  7. Most of Earths life is in ___ (Era) 
    - approx. _____ to _____ (___)
    • precambrian 
    • 4600 -542 mya
  8. ATP production:
    _______: does not use electron transport chain
    Fermentation
  9. ATP production: Electron transport
    ____ ____ lose an electron
    ____ ____ gain electrons
    • electron donor
    • electron acceptor
  10. Phototroph (a)
    Chemolithotrophs (b)
    chemoorganotrophs (c)
    -autotrophs (i)
    -heterotrophs(ii)
    • a. uses sunlight
    • b. uses inorganic molecules
    • c. uses organic molecules
    •  (i) self-synthesized from simple molecules
    •  (ii) from molecules produced by other orgs.
  11. ATP production examples: 
     -give the donor/receptor/byproduct for the following:
    a. oxygenic photosynthesis
    b. aerobic respiration
    c. nitrogen fixing bacteria
    d. sulfate reducing bacteria
    e. sulfur oxidizing bacteria
    • a. H20/NADP+/(NADPH don't have to know)
    • b. glucose(or other sugar)/02/(?)
    • c. ferredoxin/N2(g)/Ammonia
    • d. (organic compounds)H2/sulf(ate,ide,ur)/H2S
    • e. H2S/02/(?)
  12. Bacteria shapes:
    a. ____ "_____"
    b. ____ "_____"
    c. ____
    d. ____
    e. ____
    • a. spheres "coccus"            *order not
    • b. Rods    "bacillus"              important
    • c. spirals
    • d. chains
    • e. box                               
  13. motile v.s. mobile
    • motile: can move of its own accord
    • mobile: is capable of being moved 
  14. types of motility in bacteria
    a. use ______ to push itself
    b. use 
    • a. flagella
    • b. 

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