NUTR 3330 Study Guide - Final Guide: Catecholamine, Ketosis, Cori Cycle
17 Oct 2016
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~glucose uptake in the liver is not regulated by insulin. ~ primary site for gluconeogenesis (some in the kidney) and organ regulating blood glucose levels. ~major site for fat metabolism, including lipolysis and lipogenesis, and lipoprotein assembly and degradation. ~glucose uptake in muscle is regulated by insulin. ~it is an active site of fatty acid oxidation, especially during aerobic exercise. ~slow-twitch (e. g. , walking, jogging): used for long duration, slow contraction. Fatty acids (mainly derived from adipose tissue) predominant source of energy for slow-twitch muscle. ~fast twitch (e. g. , sprinting, lifting): used for short duration, quick contraction. Blood glucose and muscle glycogen provide energy, may lead to lactate accumulation. ~glucose uptake in adipose is regulated by insulin. ~an active site of lipogenesis, using blood glucose and lipids. ~during anabolism, fatty acid uptake from chylomicrons/vldl by action of lipoprotein lipase occurs. During catabolism, hormone sensitive lipase (hsl) releases fatty acids from triglyceride breakdown into circulation.
