Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Question
Chapter 27, Problem 19P
Interpretation Introduction
Interpretation:
About the organs which use both fatty acids and glucose a fuel in the well-fed state and rely mostly on glucose and fatty acids and produces lactate.
Concept introduction:
This nightly starved-fed cycle has 3 stages: the post absorptive state when an of hypoglycemic agent, that is one amongst the 2 most significant regulators of fuel
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Can you answer all the parts to following question, true or false:
Q23:
A: The breakdown of a fatty acid produces more energy than the breakdown of glucose (True or False)
B: Acetyl-CoA can be directly converted to pyruvate through the TCA (True or False)
C: Glucagon stimulates the liver to store energy by performing glycolysis (True or False)
D: The keto diet is dangerous due to the risk of developing ketoacidosis (True or False)
What are the 3 macronutrients and how do each provide energy to the body?
Define the fed, post-absorptive, fasting, and starved states.
Outline changes in the utilization of glucose, fatty acids, amino acids, and ketone bodies as the body transitions from the fed state to the prolonged starvation state.
Describe the impacts of insulin, glucagon, epinephrine, and cortisol on CHO, lipid, and protein metabolism.
Describe the major pathways that occur in the liver, muscle, adipose tissue.
Describe which hormones exercise tends to increase and potential impacts on pathways we’ve discussed.
Describe the cori cycle and the glucose-alanine cycle.
Describe differences in primary fuel sources by exercise intensity.
Describe classical vs moderate CHO loading in preparation for competition in trained athletes.
Simple to the point answers please!
Metabolic ketoacidosis is a common problem with diabetics, which is caused by which of the following?
Excessive oxidation of fatty acids, leading to an accumulation of ketone bodies in the blood.
Excessive oxidation of glucose, leading to an accumulation of ketone bodies in the blood.
Excessive oxidation of proteins, leading to an accumulation of ammonia in the blood.
Hyperglycemia.
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- As a result of complete fasting for 3 days, a significant change in metabolism occurs. How will the level of fatty acids in the blood change? What hormone causes these changes? Justify your answer schematically.arrow_forwardHow many ATP are produced from the breakdown of glucose (total, directly, & indirectly)?arrow_forwardExplain how lipids and proteins are catabolized and energy harvested thru pathways shared with glucose metabolism.arrow_forward
- Fatty acids and triglycerides are an important source of nutrition and a dense form of stored energy. Digestion of fats yields more energy per gram than digestion of carbohydrates. In the first step of fatty acid digestion, the carboxylic acid of a fatty acid is activated to a fatty acyl-CoA. This activation step A) requires the input of energy from ATP. B) requires the input of energy from NADH. C) releases energy which is captured in the form of ATP. D) releases energy which is captured in the form of NADH.arrow_forwardDescribe the role of the hormones insulin and glucagon in regulating glucose and amino acid catabolism and anabolism?arrow_forwardMake a flowchart that indicates the pivotal intermediates through which glucose can be converted to fat.arrow_forward
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