microbial growth and nutrition Flashcards
what are examples of macronutrients
proteins
carbohydrates
lipids
nucleic acids
what are the compositions for proteins
C,H,O,N,S
what are the compositions for carbohydrate
C,H,O,N
what are the compositions for nucleic acids
C,H,O,N,P
what are the compositions of lipids
C,H,O,P
what is the function of Mg2+ in cells
it helps stabilize membranes and nucleic acids
what is the function of ca2+ in endospore
it helps in heat stability
give examples of inorganic ions
K, Mg, Ca, Fe
function of a micronutrient is
serve as cofactor for enzymes
examples of micronutrients
Mn, Ni, Zn, Co, Cu, Mo
what are the classes of growth factors
20 amino acids
purines and pyrimidines
vitamins
small molecules required to make growth factors
vitamins
does organic N need to be reduced
no
inorganic N must be reduced to
NH3
atmospheric N2 needs to be reduced to
2NH3
what are heterotrophs in terms of the carbon they use
they use organic carbons
what uses inorganic carbon(cO2) as their source of carbon
autotrophs
fermentation and respiration are examples of what type of energy reaction
catabolic
Micro organisms can be categorized according to what based on source
Energy source
Electron source
Carbon source
Energy is classified into what
Chemo
Photo
Electron source is classified into
Organo
Litho
Carbon source is categorized into
Hetero
Auto
Explain chemoorganotrophs
Energy gotten from chemical reactions involving organic compounds
