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24 Cards in this Set
- Front
- Back
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Metabolism |
sum of reactions involving energy in cells |
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Catabolism |
burns fuel to release energy |
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Anabolism |
Energy is used to build cell chemicals |
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Covalent Bonds |
form when 2 atoms share one or more pairs of electrons |
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Oxidation |
losing electrons, burning rusting |
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Saccharide |
simple carbohydrate |
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Dehydration synthesis |
loss of water in a synthesis reaction |
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Lipids |
Triglycerides, phospholipid, steroids |
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Amino acids |
monomers that make up a protein polymer |
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protein structures |
primary, secondary, tertiary, quaternary |
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Essential nutrients |
2 main groups: macronutrients and micronutrients |
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heterotroph |
other feeding, take organics made by other living organisms |
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Autotroph |
self feeding, uses CO2 as inorganic gas as its carbon source |
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Chemotroph |
gain energy fro chemical compounds |
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Phototrophs |
gain energy through photosynthesis |
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Saprophytes |
feed on organic detritus from dead organisms |
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Parasites |
derive nutrients from host and harm |
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3 cardinal temperatures |
minimum, maximum, optimum |
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pyschorophiles |
optimum temperature below 15c |
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mesophiles |
optimum temperature 20-40 most human pathogens |
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thermophiles |
optimum temperature greater than 45 |
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halophiles |
require a high concentration of salt |
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osmotolerant |
do not require high concentration of solute but can tolerate it when it occurs |
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turbidometry |
degree of cloudiness, turbidity, reflects the relative population size |
