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24 Cards in this Set

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Both the symbiont and host benefit.


The symbiont benefits with no help or harm on the host.


The symbiont benefits to the detriment of the host.


fats and oils

Function of lipids

long term storage of energy, oxidize fats to make ATP

Saturated Fat

-fatty acid chain with no double bond, saturated with hydrogen attached to carbon.

-Solid at room temp

Unsaturated Fat

-double bonds between 7th and 8th carbon

-most efficient way to store energy



hooks 3 fatty acid chains together (triglyceride)

- 3 carbon atom with hydroxyl group


- 4 ringed chain with groups attached

4 rings usually in steroids

Cholesterol function

-maintain membrane fluidity

-foundation for making steroids and sex hormones

Protein function

a. moves muscleb. defends body such as antibodiesc. chemists-enzymesd. communication-insulin


built by amino acids (20)

most diverse functions


an amino acid:. 2 carbons and nitrogen connects 2 hydrogen andan organic acid


an amino acid: Organic acid with sulfur and a carbon


organic acid speed up reactions but don't change it

Enzyme: lysozyme

snips peptidoglycan

129 amino acids inside

level 3 protein structure exists


breaks down hydrogen peroxide (h202) into water and oxygen

4 poly peptide chains

level 4 protein structure exists

optimal temp

promotes the fastest growing rate of microbes

obligate aerobe

needs oxygen for survival

obligate anaerobe

can not survive with an oxygen environment

facultative anaerobe

can survive in both oxygen and none oxygen environment but prefers oxygen

Optimal PH

most microbe grow at a ph between 6 to 8

osmotic pressure

Most microbes grow at little to no salt environment

generation time

the time it takes for bacteria to double in cell number