2024 NSCA CSCS Chapter 3 Study Guide With 100% Verified Answers
- Metabolic specificity
Answer: The transfer of energy in biological systems
- Bioenergetics
Answer: The flow of energy in a biological system, primarily the conversions of
macronutrients
- Catabolism
Answer: Breakdown of larger molecules into smaller molecules, associated with
release of energy
- Anabolism
Answer: Creation of larger molecules from formation of smaller molecules,
formation of protein from amino acids
- Exergonic reaction
Answer: Energy releasing reaction (generally catabolic)
- Endergonic reaction
Answer: Require energy and include anabolic processes and con- traction of muscles
- Metabolism
Answer: Total of all reactions in a biological system
- Adenosine triphosphate (ATP)
Answer: Energy from catabolic reactions used to drive anabolic reactions thru this molecule (It allows for energy transfer from exergonic to endergonic)
- Hydrolysis
Answer: metabolization of carbohydrate for energy without direct involvement of O2 of one molecule of ATP to yield energy
- Adenosine Triphosphatase (ATPase)
Answer: the enzyme that starts the hydrolysis of ATP
- Myosin ATPase
Answer: the enzyme that catalyzes ATP hydrolysis for cross-bridge recycling
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- Calcium ATPase
Answer: pumps calcium into the sarcoplasmic reticulum
- Adenosine Diphosphate (ADP)
Answer: the byproduct of hydrolysis of ATP and H2O
- Pi
Answer: Inorganic phosphate
- Adenosine Monophosphate (AMP)
Answer: the byproduct of hydrolysis of ADP and H2O
- Phosphagen System
Answer: provides ATP for short-term, high intensity activities and highly active at the start of all exercise regardless the intensity
- Glycolytic System
Answer: breakdown of carbs--either glycogen or glucose to resynthesize ATP
- Kreb's Cycle
Answer: (citric acid cycle) series of chemical reactions used by all aerobic organisms to release stored energy through the process of oxidation of acetyl-CoA derived from CHO, PRO and FAT and chemical energy in form of ATP
- Oxidative System
Answer: aerobic system where aerobic mechanisms that occur in the mitochondria of muscle cells and require O2 as the terminal electron acceptor
- Mitochondria
Answer: a spherical organelle in the cytoplasm of a cell containing genetic material and many enzymes important for cell metabolism
- Energy system used
Answer: primarily dependent on intensity secondarily on duration
- Creatine phosphate
Answer: high energy phosphate that provides energy for phosphagen system (aka
phosphocreatine)
- Creatine kinase
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Answer: enzyme that catalyzes the synthesis of ATP from CP and ADP (ADP + CP