LS 1

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if length increases by X
S. area increases by __
volume increases by __

SA: X^2

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

_______ absolute metabolisms &
_______ relative metabolisms
- larger
- smaller
Example of things affected by SA/V ratio
- Gas exchange
- body heat
Most of Earths life is in ___ (Era)
- approx. _____ to _____ (___)
- precambrian
- 4600 -542 mya
ATP production:
_______: does not use electron transport chain

Fermentation
ATP production: Electron transport
____ ____ lose an electron
____ ____ gain electrons
- electron donor
- electron acceptor
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.
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/(?)
Bacteria shapes:
a. ____ "_____"
b. ____ "_____"
c. ____
d. ____
e. ____
- a. spheres "coccus" *order not
- b. Rods "bacillus" important
- c. spirals
- d. chains
- e. box
motile v.s. mobile
- motile: can move of its own accord
- mobile: is capable of being moved
types of motility in bacteria
a. use ______ to push itself
b. use
- a. flagella
- b.

Author

cedward

196533

Card Set

LS 1

Description

midterm 1

Updated

2013-01-30T07:45:13Z