metabolism - the sum total of all the chemical reactions that occur within a cell
catabolic pathway - breaking down complex organic molecules into their smaller
subcomponents
which type of reactions are catabolic? - hydrolysis reactions
catabolic reactions are ________________________ - energy ...
MCB3020 Exam 2 Asghari UF -Questions with Correct Answers/ Verified/ 100% Pass metabolism - ✔✔the sum total of all the chemical reactions that occur within a cell catabolic pathway - ✔✔breaking down complex organic molecules into their smaller subcomponents which type of reactions are catabolic? - ✔✔hydrolysis reactions catabolic reactions are ________________________ - ✔✔energy conserving reactions that provide a ready source of reduci ng power (electrons) anabolic reactions - ✔✔the synthesis of complex molecules from their simpler subunits which types of reactions are anabolic? - ✔✔dehydration synthesis reactions which reactions require energy from reducing power of electrons? - ✔✔anabolic reactions where do the anabolic reactions get their electrons for energy? - ✔✔from catabolic reactions who provide reducing power through electrons how are microbes involved in elemental cycling? - ✔✔nitrogen fixation, nitrification, denitrification, and converting CO2 and CH4 to organic molecules nitrogen fixation - ✔✔when microbes convert unusable nitrogen gas (N2) to useful ammonia (NH3) nitrific ation - ✔✔conversion of ammonia (NH3) to nitrate (NO3) denitrification - ✔✔conversion of nitrate (NO3) to nitrogen gas (N2) energy - ✔✔defined as the capacity to cause change or do work what are the 2 units of energy - ✔✔calorie and joule calorie - ✔✔amount of heat energy needed to raise the temperature of one gram of water from 14.5 celsius to 15.5 joule - ✔✔unit of work energy; 1 cal = 4.184 J work - ✔✔occurs when a force acts over a distance what are the 3 kinds of work in cellular biology - ✔✔chemical work, transport work, and mechanical work chemical work - ✔✔the production of complex molecules from simpler ones transport work - ✔✔involves the elimination of waste, up take of nutrients, and maintenance of ion balances within the cell mechanica l work - ✔✔involves cell movement (motility) and movement of intracellular structures thermodynamics - ✔✔study of energy change in a system system - ✔✔a collection of matter surroundings - ✔✔any matter in the universe outside of the system
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