Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
8th Edition
ISBN: 9780134015187
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Chapter 25, Problem 25.47CP
Interpretation Introduction
Interpretation:
Based on the metabolic processes, the biochemistry of the body is dynamic has to be explained.
Concept introduction:
- Entire collection of free amino acids throughout the body is called amino acid pool.
- All tissues and
biomolecules in the body are constantly being degraded, repaired and replaced through a process known as turnover. - The citric acid cycle includes a series of
oxidation-reduction reactions in mitochondria that results in the oxidation of an acetyl group to two molecules of carbon dioxide and reduce the coenzymes that are reoxidized through the electron transport chain, linked to the formation of ATP - Urea cycle is the cyclic biochemical pathway that produces urea for excretion.
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Students have asked these similar questions
Which out of the following statements is true about the regulation of metabolic pathway?
a) Most of the metabolic pathways are regulated
b) Most of the metabolic pathways are not regulated
c) Regulation of metabolic pathways always involves changing the amount of enzymes
d) Metabolic regulation always depends on control by hormones
Allosteric enzymes:
A)usually catalyze several different reactions within a metabolic pathway.
B)are regulated primarily by covalent modification.
C)usually show strict Michaelis-Menten kinetics.
D)usually have more than one polypeptide chain
E)usually have only one active site.
Metabolic pathways can function efficiently without external control, and will not overproduce unnecessary product molecules because:
a) Large pH shifts speed up reactions
b) Cells release lots of heat to accelerate product formation
c) End products of a pathway cause early enzymes to change shape and inactivate
d) Active sites become saturated as product concentration rises
Chapter 25 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 25.2 - Prob. 25.1PCh. 25.2 - Prob. 25.2KCPCh. 25.3 - Prob. 25.3PCh. 25.3 - Prob. 25.4PCh. 25.3 - Prob. 25.5PCh. 25.3 - Prob. 25.6PCh. 25.4 - Prob. 25.1CIAPCh. 25.4 - Prob. 25.2CIAPCh. 25.4 - Prob. 25.3CIAPCh. 25.4 - Prob. 25.7P
Ch. 25.4 - Prob. 25.8KCPCh. 25.6 - Prob. 25.9PCh. 25.6 - Prob. 25.10KCPCh. 25.6 - What is meant by a conditional amino acid?Ch. 25.6 - Prob. 25.5CIAPCh. 25.6 - Prob. 25.6CIAPCh. 25 - In the diagram shown here, fill in the sources for...Ch. 25 - Prob. 25.12UKCCh. 25 - Prob. 25.13UKCCh. 25 - Prob. 25.14UKCCh. 25 - Prob. 25.15UKCCh. 25 - Prob. 25.16UKCCh. 25 - Prob. 25.17APCh. 25 - Prob. 25.18APCh. 25 - Prob. 25.19APCh. 25 - Prob. 25.20APCh. 25 - Prob. 25.21APCh. 25 - Prob. 25.22APCh. 25 - What is the structure of the -keto acid formed...Ch. 25 - Prob. 25.24APCh. 25 - In general, how does oxidative deamination differ...Ch. 25 - Prob. 25.26APCh. 25 - Prob. 25.27APCh. 25 - Prob. 25.28APCh. 25 - Prob. 25.29APCh. 25 - Prob. 25.30APCh. 25 - Prob. 25.31APCh. 25 - Prob. 25.32APCh. 25 - Prob. 25.33APCh. 25 - Prob. 25.34APCh. 25 - How do essential and nonessential amino acids...Ch. 25 - Prob. 25.36APCh. 25 - Prob. 25.37APCh. 25 - How is tyrosine biosynthesized in the body? What...Ch. 25 - Prob. 25.39APCh. 25 - Prob. 25.40APCh. 25 - Prob. 25.41APCh. 25 - What energy source is used in the formation of...Ch. 25 - Write the equation for the transamination reaction...Ch. 25 - Prob. 25.44CPCh. 25 - Prob. 25.45CPCh. 25 - Prob. 25.46CPCh. 25 - Prob. 25.47CPCh. 25 - Prob. 25.48CPCh. 25 - Prob. 25.49CPCh. 25 - Prob. 25.50CPCh. 25 - Prob. 25.51CPCh. 25 - Prob. 25.52CPCh. 25 - Why might it be a bad idea to take large...Ch. 25 - Prob. 25.54GPCh. 25 - Prob. 25.55GPCh. 25 - Prob. 25.56GP
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- Which of the following are common to all metabolic pathways? a) Citric acid cycle b) Oxidative phosphorylation c) Electron transport chain d) All of the abovearrow_forwardYou are studying a metabolic pathway and are trying to decide if it is an anabolic pathway or a catabolic pathway. Which of the following would help diagnose this problem? A) Look for common intermediates. B) Look for ATP-requiring steps. C) Look for enzymes under allosteric regulation. OD) All of the above. OE) None of the above.arrow_forwardwhat metabolic pathways are more likely to be active during: a) fasting, b) overnight fast) and c) fed state?arrow_forward
- There may be more than correct answer for each Which of the following statements regarding enzymes are correct? a.) Enzymes lower activation energy b.) Enzymes are synthesized in the mitochondria c.) Enzymes show a high degree of specificity for substrates. d.) Enzymes stabilize intermediates The ability of DNA to denature is important for which of the following processes? a.) DNA synthesis b.) nucleic acid hybridization experiments c.) RNA synthesis d.) formation of biomembranesarrow_forwardThere are many metabolic pathways in a biological system, and it is critical to regulate these pathways so that only particular pathways are active at a single time. Which enzyme would be in the regulation point in the hypothetical pathway shown below. A¹B 2C 3 D4E A) A → B B) B-C C) C-D D) D→ E E) The regulation point is highly dependent upon the metabolic pathway.arrow_forward1) Answer the following questions about a Vegetarian diet: a) List Pros and Cons of being on the diet. b) List any possible misconceptions that may have been verified or nullified by scientific articles for this diet. c) What biochemical pathway would this diet target?arrow_forward
- Why is it advantageous for a metabolic pathway to have a large number of steps?arrow_forwardIs it likely that any metabolic pathway can exist without control mechanisms?arrow_forwarda.) Explain how negative feedback is used to regulate a metabolic pathway. b.) Explain how positive feedback is used to regulate a metabolic pathway.arrow_forward
- Which type of enzyme regulation is best for the following situations?(a) An enzyme that becomes overactive during a disease(b) An enzyme needed only when there is low blood glucose(c) An enzyme that springs into action when a traumatic injury occurs(d) An enzyme needed only during adolescencearrow_forwardThere are six major groups of enzymes. The categories are based on the types of reactions that they catalyze. What type of enzyme converts a molecule to another structure with the same formula through breaking bonds and forming new bonds. A) Lyases B) Transferases C) Hydrolases D) Isomerases E) Ligasesarrow_forwardIn the metabolic pathway, A->B->C->D->E what effect would molecule E likely have on the enzyme that catalyzes A->B? (The answer is A. Could you justify the reason why the answer is A?) a) Allosteric inhibitor b)Allosteric activator c) Competitive inhibitor d) feedback activator e) coenzymearrow_forward
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Metabolic Pathways; Author: Wisc-Online;https://www.youtube.com/watch?v=m61bQYio9ys;License: Standard Youtube License