Molecular and Cellular Biochemistry How can a ketogenic diet affect decrease LDL and increase HDL? (explain on a molecular level
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- How does a ketogenic diet decrease LDL and increase HDL? (explain in detail on a molecular level)How does a ketogenic diet decrease the level of urea in obese patients and increase the level of creatine in obese patients? (explain on a molecular level)Provide 5 differences of HDL and LDL and explain each biochemically.
- What are the biochemical functions of VLDL (Very-low density lipoproteins) and HDL (high density lipoproteins)Adults engaged in strenuous physical activity require an intake of about 160 g of carbohydrate daily but only about 20 mg of niacin for optimal nutrition. Given the role of niacin in glycolysis, how do you explain the observation?Gastric juice normally has a pH of 2. Given this, what happens to the activity of salivary amylase, a starch-digesting enzyme in saliva, when it arrives in the stomach?
- List and explain 5 important biochemical factors that could determine whether a person is feeling full or hungry (explain in details how these factors function)The most common form of malnutrition in children in the world, kwashiorkor, is caused by a diet having ample calories but little protein. The high levels of carbohydrate result in high levels of insulin. What is the effect of high levels of insulin on (a) lipid utilization? (b) protein metabolism? (c) Children suffering from kwashiorkor often have large distended bellies caused by water from the blood leaking into extracellular spaces. Suggest a biochemical basis for this condition.Egg yolks contain a high amount of cholesterol, but they also contain a high amount of lecithin. From a diet and health standpoint, how do these two molecules complement each other?
- Consider the oxidation of this compound:C3H5O3(OC4H7)3 + 18.5O2 → 15CO2 + 13H2O + 1, 941 kcal.a) Find the respiratory exchange ratio (RER), calorific equivalent, and energy release if theO2 is 2 liters/min. Are these values representative of fat? Why or why not? b) If the activity involves running for 45 minutes, how much kcal is expended?Why is liver used as a source of glycogen in experiments even that there is a greater percentage of glycogen found in animal muscle?The lipase substrate emulsion contains 0.500 mg of olive oil per 3 mL Also, the molar mass of the olive oil is 885 g/mol. If all of the olive oil in a 3 mL reaction is "digested" by pancreatic lipase in a reaction, how many molecules of olive oil have been degraded?
