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20 Cards in this Set

  • Front
  • Back
Covalent Bonds:
form when two atoms share one or more pairs of electrons
2 parts of metabolism:

Catabolism:

burns fuel to release energy
Anabolism:
energy is used to build cell chemicals
Oxidation:
(the loss of electrons) burning and rusting
Reduction:
(the gaining of more electrons) charge is becoming more negative become reduced.
Dehydrationsynthesis:
loss of water in a synthesis reaction
Types of lipids
Triglycerides– energy storage

Phospholipid– major cell membrane component Steroids– built of cholesterol, cell membrane component

Triglycerides
– energy storage
Phospholipid
cell membrane component
Steroids
– built of cholesterol, cell membrane component
Psychrophiles:
optimum temperature below 15 C
Mesophiles:
optimum temperaturebetween 20 and 40 C
Thermphiles:
optimum temperature greater than 45 C

Acidophiles:


grow at extreme acid pH
Alkalinophiles:
grow at extreme alkaline pH
4 types ofsymbiosis
Commensal

Parasite


Saprobes


Mutualists

-Commensal:
free ride
-Parasite:
harmful
-Saprobes:
decay
-Mutualists:
helpful