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UCONN MCB 2610 Question and answers 100% correct 2024/2025
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UCONN MCB 2610 Question and answers 100% correct 2024/2025 UCONN MCB 2610 What do microorganism generally need to grow? - correct answer Macronutrients and Micronutrients Macronutrients - correct answer all cells need access too large amounts of carbon, nitrogen, phosphorus, sulfur, an...

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  • October 17, 2024
  • 54
  • 2024/2025
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UCONN MCB 2610
What do microorganism generally need to grow? - correct answer
✔Macronutrients and Micronutrients


Macronutrients - correct answer ✔all cells need access too large amounts of
carbon, nitrogen, phosphorus, sulfur, and oxygen to build macromolecules


Micronutrients - correct answer ✔often required for protein structure/activity,
biosynthesis of ATP by electron transport-related processes


Mn, Zn, Co, Mo, Ni, Cu, Na, Mg


required in small amounts


often are contaminants in other thing


often supplied in water or in media components


ubiquitous in nature


serve as part of enzymes and cofactors


aid in catalysis of reaction and maintenance of protein structure


Some organisms also require unique substances such as ____ used to
construct the ____ walls of ____ - correct answer ✔silicic acid

,silica


diatoms


No matter what an organism's nutrient requirement they require a balanced
mix and if one nutrient is limited or in short supply the organism will have
_____. - correct answer ✔limited growth


Protein element makeup - correct answer ✔C, H, O, N, S


Lipid element makeup - correct answer ✔C, H, O, P


Carbohydrate element makeup - correct answer ✔C, H, O


Nucleic acids element makeup - correct answer ✔C, H, O, N, P


____ is the backbone of all organic components present in cell - correct
answer ✔carbon


hydrogen and oxygen are also found in ____ - correct answer ✔organic
molecules


____ play a role in energy production used for cellular work and reduction of
CO2 to form organic molecules - correct answer ✔electrons


autotrophs - correct answer ✔assimilate carbon from inorganic sources

,heterotrophs - correct answer ✔assimilate carbon in preexisting organic form


organotrophs - correct answer ✔acquire their electrons from organic
molecules (e.g. glucose)


lithotrophs - correct answer ✔acquire their electrons from inorganic sources
(e.g. H2 has and elemental sulfur)


phototrophs - correct answer ✔capture light energy to produce ATP


chemotrophs - correct answer ✔capture energy from oxidation of reduced
organic or inorganic compounds


some organism have great metabolic ____ and alter their metabolism in
response to environmental ____ - correct answer ✔flexibility
changes


metabolic flexibility provides _____ to organisms that experience frequent
changes in environmental conditions - correct answer ✔distinct advantages


microorganisms have an absolute requirement for ___ - correct answer
✔nitrogen, phosphorous, and sulfur


Nitrogen - correct answer ✔needed for amino acids, purines, pyrimidines,
some carbohydrates, lipids, enzymes cofactors, etc.


supplied in numbers ways such as metabolism of amino acids, nitrates,
ammonia, and some fix N2 from atmosphere

, Phosphorus - correct answer ✔needed for nucleic acids, phospholipids,
nucleotides, some cofactors, some proteins, etc.


usually supplied as inorganic phosphate


most organisms use inorganic phosphorus which is directly incorporated into
their cells


Sulfur - correct answer ✔needed for amino acids (cysteine and methionine),
some carbohydrates, biotin and thiamine


usually supplied as sulfur via assimilatory sulfate reduction pathway (use
inorganic source)


most organisms use sulfate and reduce it by assimilatory sulfate reduction


growth factors - correct answer ✔something that the organism needs that it
cannot make


some organisms require ____ to support growth - correct answer ✔growth
factors


some organism can synthesis all organic molecules from a single ____ and
_____ - correct answer ✔carbon source
inorganic salts


growth factors - correct answer ✔organic compounds that cannot be
synthesized by an organism but are essential for growth

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