IB Sports Exercise Health Science Summary. Unit 3.2: fat metabolism
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Course
Sports, exercise and health science
Institution
Bachillerato
Summary of the IB SEHS Unit 3.2 (fat metabolism). You will find detailed yet summarized information on the topic, organized according to the IB syllabus (contains all necessary information to achieve a 7).
Metabolism: the chemical processes or reactions in living organisms required for the maintenance of life.
Metabolism includes catabolism and anabolism.
Catabolism Anabolism
Chemical reactions that break down complex large e.g.: glucose molecules turn into glycogen
organic compounds into simpler compounds. (glycogenesis)
Releases energy
ATP is converted to ADP and phosphate
(hydrolysis of ATP)
Aerobic: uses oxygen
e.g.: triglycerides turn into glycerol and fatty
acids
Anaerobic: doesn’t use oxygen
e.g.: glucose turns into lactic acid Small molecules—> (ATP in —> ADP+Pi out) —>
large molecules
ADP and phosphate are turned to ATP
(phosphorylation)
Large molecules—>(ADP+Pi in—>ATP out)—>
smaller molecules
Small molecules are combined into larger
molecules
Requires energy
Unit 3.2: Fat Metabolism 1
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