Mcbm exam 1 - Study guides, Class notes & Summaries

MCBM Exam #3: Mitsouras (Nic Tan) What is gluconeogenesis? When is it active? - Answer- Synthesis of glucose from non-sugar precursors. Active during fasting (glycogenolysis is dominant), and is the ONLY pathway during starvation (because all of the glycogen stores have been used up). What is gluconeogenesis stimulated and inhibited by? - Answer- Gluconeogenesis: Stimulated by glucagon (when we need blood sugar) Inhibited by insulin (when we need to lower blood sugar) What is the...

MCBM Exam 2 Fetal Period What is the conceptus? - Answer- everything derived from the zygote including fetus plus all surrounding membranes What is the significance of the umbilical vesicle (yolk sac)? - Answer- It provides early nutrient transfer to the developing embryo, is the site of formation of germinal cells -earliest site of blood cell development -first blood vessels appear here *detaches at 6 weeks What does the connecting stalk become? - Answer- umbilicus What is the si...