12: bioenergetics and metabolic function

what is energy

ability to perform chemical, electrical, mechanical, and transportation work

examples of chemical, electrical, mechanical, and transportation work

glycogen storage

ion distribution across membrane

force production in skeletal muscle

blood circulation

what is bioenergetics

process of converting food into biologically useful forms of energy

what is metabolism

networj of chemical processes involved in maintaining life

what is body recomposition

simultaneous loss of fat mass and gain of muscle mass

what do redox reactions do

energy transfer, antioxidant function

carbs, lipids, and amaino acids oxidized to CO₂ - oxygen reduced to H₂O

what does endogenous mean

originating within body

what does exogenous mean

originating outside the body, obtained from food

what is substrate utilization

proportion of macronutrient being metabolized for energy

what is a hypercaloric diet

energy intake higher than output, build organic molecules

what is a hypocaloric diet

energy intake lower than output, need energy so taken from energy stores

how is ATP made from a catabolism reaction

breakdown complex molecules, converted to acetyl-coA, metabolize to CO₂ and form ATP

what processes are anaerobic

creatine phosphate reaction, glycolysis

what processes are aerobic

oxidative phosphorylation

list the processes in order from quickest to slowest rate of energy transfer

creatine phosphate, glycolysis, oxidative phosphorylation

list the processes in order from highest to lowest yield capacity

oxidative phosphorylation, glycolysis, creatine phosphate

creatine phosphate reaction

creatine endogenously produced or exogenously consumed in red meat, fish, and supplementation