MCB 2004 EXAM 2 VERIFIED STUDY GUIDE
The cell contains 50% of what element - Answers - Carbon
Heterotroph (in humans) - Answers - an organism that obtains cardon from ORGANIC
carbon sources
Autotroph (in plants) - Answers - an organism that obtains carbon from CO2 energy
from light or INORGANIC molecules
The cell contains about 12% of what element - Answers - Nitrogen
Nitrogen is found as what (in)organic forms - Answers - Ammonia (NH3), Nitrate (NO3-),
Nitrogen (N2)
Nitrogen Fixation - Answers - the conversion process of Nitrogen to the (in)organic
forms
Metabolism - Answers - the chemical reactions taking place in the cell
Anabolism - Answers - an energy requiring process, that produces cell components
Catabolism - Answers - an energy yielding process, that produces waste products
Micronutrients - Answers - Carbon, Oxygen, Nitrogen
Exoenzymes - Answers - are enzymes produced within the cell, that remain in the cell,
to catalyze rxn within the cell
Endoenzymes - Answers - are enzymes produced within the cell, that are released from
the cell, to catalyze extracellular rxn
Essential Nutrients - Answers - materials that are organisms are unable to synthesize,
but are required for the building of macro-molecules and sustaining of life (amino acids
& fatty acids)
Macronutrients - Answers - Phosphorus, Sulfur, Potassium, Iron, Magnesium, Calcium,
and Sodium
Examples of microbial nutrition - Answers - Macronutrients, Micronutrients, Essential
nutrients, Metabolite
Oxygen - Answers - obligate aerobes and anaerobes, facultative anaerobes
The cell contains 50% of what element - Answers - Carbon
Heterotroph (in humans) - Answers - an organism that obtains cardon from ORGANIC
carbon sources
Autotroph (in plants) - Answers - an organism that obtains carbon from CO2 energy
from light or INORGANIC molecules
The cell contains about 12% of what element - Answers - Nitrogen
Nitrogen is found as what (in)organic forms - Answers - Ammonia (NH3), Nitrate (NO3-),
Nitrogen (N2)
Nitrogen Fixation - Answers - the conversion process of Nitrogen to the (in)organic
forms
Metabolism - Answers - the chemical reactions taking place in the cell
Anabolism - Answers - an energy requiring process, that produces cell components
Catabolism - Answers - an energy yielding process, that produces waste products
Micronutrients - Answers - Carbon, Oxygen, Nitrogen
Exoenzymes - Answers - are enzymes produced within the cell, that remain in the cell,
to catalyze rxn within the cell
Endoenzymes - Answers - are enzymes produced within the cell, that are released from
the cell, to catalyze extracellular rxn
Essential Nutrients - Answers - materials that are organisms are unable to synthesize,
but are required for the building of macro-molecules and sustaining of life (amino acids
& fatty acids)
Macronutrients - Answers - Phosphorus, Sulfur, Potassium, Iron, Magnesium, Calcium,
and Sodium
Examples of microbial nutrition - Answers - Macronutrients, Micronutrients, Essential
nutrients, Metabolite
Oxygen - Answers - obligate aerobes and anaerobes, facultative anaerobes
