- During TCA cycle, we loss two CO2, where do they come from?
- which enzyme in the TCA cycle is not soluble in the matrix of the mitochondria rather it reside in the inner membrane of mitochondria?
- name the enzymes that are not irreversible between Glucose and G3P
- Which subunit of ATP synthase is responsible for the catalysis of ATP formation?cAlphaBetaGamma
- How many cytochrome c molecules are oxidized by Complex IV for each molecule of oxygen (O2) that is reduced?4312
- As glucose levels in the bloodstream increase, insulin levels _________.
- Which of the following occurs when the catalytic subunit of ATP synthase is in the loose state?ADP and Pi bindADP and Pi are converted to ATPATP is releasedATP is hydrolyzed
- The hormone ____ stimulates the liver to generate glucose by glycogenolysis and gluconeogenesis.GlucagonInsulinEpinephrineNorepinephrineLeptin
- Glucose is the preferred fuel of muscles because it can be metabolized under which of the following conditions?Low pHAnaerobicLow temperatureAlkaline
- What organelle is found in much higher amounts in brown adipose tissue than white adipose tissue?lysosomemitochondriachloroplastendoplasmic reticulum
- The effect of epinephrine upon the liver is most similar to which of the following hormones?resistininsulinleptinglucagon
- In the Glucose-Alanine cycle, what amino acid is transported from the muscle to the liver?alanineaspartateglycineglutamine
- Question 80.5 / 0.5 ptsWhich of the following pathways is active in the muscle only during the well-fed state?fatty acid oxidationglycogen storageketone body synthesisglycolysis
- Which of the following is the most common type of diabetes in the US?type 1type 2 resulting from a genetic defect in the insulin receptortype 2 without a genetic defect in the insulin receptortype 3
- Indicate the cellular compartment where each of the following metabolic pathways takes place:Urea synthesisGlycolysisGluconeogenesis (majority)Citric acid cycle
- Identify the metabolic effects of insulin from the list below:Enhances glucose transportDecreases glycogen synthesisIncreases blood glucose levelsIncreases gluconeogensisStimulates glycogen synthesisDecreases gluconeogenesis
- In the Cori cycle, muscles break down [ Select ] ["starch", "glycogen", "fatty acids"] into glucose , which undergoes glycolysis. The end product of glycolysis in active muscle is [ Select ] ["ethanol", "lactate"] , which is transported in the blood to the [ Select ] ["liver", "kidneys"] . The liver uses fatty acid oxidation to drive [ Select ] ["fermentation", "gluconeogenesis"] , and the glucose produced is transported back to the muscle via the bloodstream.
- Which of the following organs can generate glucose?Adipose tissueKidneysLiverMuscles
- Glycogen phosphorylase has its greatest activity when _____; glycogen synthase has its greatest activity when _____.phosphorylated; not phosphorylatednot phosphorylated; phosphorylatedphosphorylated; phosphorylatednot phosphorylated; not phosphorylated
- The alpha cells of the pancreatic islets secrete _____ in response to _____ glucose levels.glucagon; highepinephrine; lowglucagon; lowinsulin; high