Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
7th Edition
ISBN: 9781305081086
Author: STOKER, H. Stephen
Publisher: Brooks Cole
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 26.4, Problem 5QQ
Interpretation Introduction
Interpretation: To identify the biosynthetic source of the two nitrogen atoms in the urea molecule.
Concept introduction: A urea cycle is a cyclic biochemical pathway that involves the production of urea using ammonium ions and aspartate molecules as nitrogen sources. The reactants in the formation of carbamoyl phosphate are ammonium ion, water, and carbon dioxide.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
The source of the nitrogen during serine synthesis is
A.
glutamate
B.
NH4+
C.
NO2
D.
α-ketoglutarate
Which of the following is a substrate in the urea cycle? a. fumarate b. glutamate c. aspartate d. α-ketoglutarate
18. What key molecule connects the urea cycle with the TCA cycle?
A. Fumarate
B. Malate
C. Arginine
D. Arigininosuccinate
E. Aspartate
19. What meal would increase the activity/need for urea cycle enzymes?
A. Steak and a milkshake
B. Spinach salad and diet coke
C. PB&J sandwich and glass of water
D. Curly fries and a lemonade
20. What is the allosteric activator of carbamoyl phosphate synthetase I?
A. Glutamate
B. N-acetylglutamate
C. Bicarbonate
D. Urea as a feedback negative regulator
E. Arginine
Chapter 26 Solutions
Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
Ch. 26.1 - Which of the following statements about dietary...Ch. 26.1 - Dietary protein materials as they leave the...Ch. 26.1 - The inactive form of pepsin is converted to its...Ch. 26.1 - Which of the following is not a proteolytic...Ch. 26.2 - The dominant use for the amino acids of the amino...Ch. 26.2 - The most abundant amino acid in the amino acid...Ch. 26.2 - Prob. 3QQCh. 26.3 - Prob. 1QQCh. 26.3 - Prob. 2QQCh. 26.3 - The net effect of transamination is to collect the...
Ch. 26.3 - Prob. 4QQCh. 26.3 - Prob. 5QQCh. 26.3 - Most aminotransferases are specific for the keto...Ch. 26.4 - Which of the following statements concerning the...Ch. 26.4 - Prob. 2QQCh. 26.4 - The two fuels for the urea cycle are a. carbamoyl...Ch. 26.4 - Prob. 4QQCh. 26.4 - Prob. 5QQCh. 26.4 - Prob. 6QQCh. 26.5 - Which of the following statements concerning the...Ch. 26.5 - Prob. 2QQCh. 26.5 - Prob. 3QQCh. 26.5 - Prob. 4QQCh. 26.6 - Prob. 1QQCh. 26.6 - How many of the standard amino acids are...Ch. 26.6 - The simplest pathways for amino acid biosynthesis...Ch. 26.7 - Prob. 1QQCh. 26.7 - Which of the following statements concerning the...Ch. 26.7 - Prob. 3QQCh. 26.7 - In the degradation of heme, the iron atom present...Ch. 26.8 - In degradation of the sulfur-containing amino acid...Ch. 26.8 - Prob. 2QQCh. 26.8 - Prob. 3QQCh. 26.8 - Prob. 4QQCh. 26.9 - Prob. 1QQCh. 26.9 - Prob. 2QQCh. 26.9 - Prob. 3QQCh. 26.10 - Prob. 1QQCh. 26.10 - Prob. 2QQCh. 26.10 - Prob. 3QQCh. 26 - Prob. 26.1EPCh. 26 - Indicate whether each of the following aspects of...Ch. 26 - Indicate whether each of the following pairings of...Ch. 26 - Indicate whether each of the following pairings of...Ch. 26 - Indicate whether each of the following statements...Ch. 26 - Prob. 26.6EPCh. 26 - Prob. 26.7EPCh. 26 - Prob. 26.8EPCh. 26 - Prob. 26.9EPCh. 26 - Prob. 26.10EPCh. 26 - Prob. 26.11EPCh. 26 - Prob. 26.12EPCh. 26 - Prob. 26.13EPCh. 26 - Prob. 26.14EPCh. 26 - Indicate whether each of the following situations...Ch. 26 - Indicate whether each of the following situations...Ch. 26 - Prob. 26.17EPCh. 26 - Prob. 26.18EPCh. 26 - Prob. 26.19EPCh. 26 - Prob. 26.20EPCh. 26 - Prob. 26.21EPCh. 26 - Prob. 26.22EPCh. 26 - Prob. 26.23EPCh. 26 - Prob. 26.24EPCh. 26 - Prob. 26.25EPCh. 26 - Prob. 26.26EPCh. 26 - Prob. 26.27EPCh. 26 - Prob. 26.28EPCh. 26 - Prob. 26.29EPCh. 26 - Prob. 26.30EPCh. 26 - Prob. 26.31EPCh. 26 - Prob. 26.32EPCh. 26 - Prob. 26.33EPCh. 26 - Prob. 26.34EPCh. 26 - Prob. 26.35EPCh. 26 - Prob. 26.36EPCh. 26 - Prob. 26.37EPCh. 26 - Prob. 26.38EPCh. 26 - Prob. 26.39EPCh. 26 - Prob. 26.40EPCh. 26 - Prob. 26.41EPCh. 26 - Prob. 26.42EPCh. 26 - Prob. 26.43EPCh. 26 - Draw the structure of the -keto acid produced from...Ch. 26 - Prob. 26.45EPCh. 26 - Prob. 26.46EPCh. 26 - Prob. 26.47EPCh. 26 - Prob. 26.48EPCh. 26 - Prob. 26.49EPCh. 26 - Prob. 26.50EPCh. 26 - Prob. 26.51EPCh. 26 - Prob. 26.52EPCh. 26 - Prob. 26.53EPCh. 26 - Prob. 26.54EPCh. 26 - Prob. 26.55EPCh. 26 - Prob. 26.56EPCh. 26 - Prob. 26.57EPCh. 26 - Prob. 26.58EPCh. 26 - Prob. 26.59EPCh. 26 - Prob. 26.60EPCh. 26 - Prob. 26.61EPCh. 26 - Prob. 26.62EPCh. 26 - Prob. 26.63EPCh. 26 - Prob. 26.64EPCh. 26 - Prob. 26.65EPCh. 26 - Prob. 26.66EPCh. 26 - Prob. 26.67EPCh. 26 - Prob. 26.68EPCh. 26 - Prob. 26.69EPCh. 26 - Prob. 26.70EPCh. 26 - Prob. 26.71EPCh. 26 - Prob. 26.72EPCh. 26 - Prob. 26.73EPCh. 26 - Prob. 26.74EPCh. 26 - Prob. 26.75EPCh. 26 - Prob. 26.76EPCh. 26 - Prob. 26.77EPCh. 26 - Prob. 26.78EPCh. 26 - Prob. 26.79EPCh. 26 - Prob. 26.80EPCh. 26 - Prob. 26.81EPCh. 26 - Prob. 26.82EPCh. 26 - Prob. 26.83EPCh. 26 - Prob. 26.84EPCh. 26 - Prob. 26.85EPCh. 26 - Prob. 26.86EPCh. 26 - Prob. 26.87EPCh. 26 - Prob. 26.88EPCh. 26 - Prob. 26.89EPCh. 26 - Prob. 26.90EPCh. 26 - Prob. 26.91EPCh. 26 - Prob. 26.92EPCh. 26 - Prob. 26.93EPCh. 26 - Prob. 26.94EPCh. 26 - Prob. 26.95EPCh. 26 - Prob. 26.96EPCh. 26 - Prob. 26.97EPCh. 26 - Which bile pigment is responsible for the...Ch. 26 - Prob. 26.99EPCh. 26 - Prob. 26.100EPCh. 26 - Prob. 26.101EPCh. 26 - Prob. 26.102EPCh. 26 - Prob. 26.103EPCh. 26 - Prob. 26.104EPCh. 26 - Prob. 26.105EPCh. 26 - Prob. 26.106EPCh. 26 - Prob. 26.107EPCh. 26 - Prob. 26.108EPCh. 26 - Prob. 26.109EPCh. 26 - Prob. 26.110EPCh. 26 - Prob. 26.111EPCh. 26 - Prob. 26.112EPCh. 26 - Prob. 26.113EPCh. 26 - Prob. 26.114EPCh. 26 - Prob. 26.115EPCh. 26 - Prob. 26.116EP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- The immediate donors of the nitrogen atoms of urea are: a. Aspartate and glutamate b. Glutamate and carbamoyl phosphate c. Aspartate and carbamoyl phosphate d. Glutamine and aspartatearrow_forwardWhich of the following la true about urease being a hydrolase enzyme? A. It catalyzes the degradetion of uracil B. It catalyzes the zynthesia C. It catalyzes the hydrolyais of urea D. It catalyzes the degradation of all amines of urea Enzyme are clasalfed Into how meny mejor groups and systematically named by how many numbere separated by dota? A. 4 groups and 6 numbera, гeaреctlvely C. 4 groupe and 4 numbera, тегресtively D. 5 groups and 2 numbera, reapectively B. 6 groups and 4 numbera, respectively Which of the following can cause the rate of enzyme activity to increase? I. Increasing the temperature starting from the optimum temperature Increasing the temperature until ít reaches the optimum temperature Decreazing the temperature atarting from the optimum temperature II. III. IV. Decreazing the temperature until it reaches the optimum temperature C. I and IV only D. II and IV only A. I and I only В. I and III only II onlyarrow_forwardWhich of the following statements concerning the urea cycle is TRUE? 1. The pathway requires ATP. II. The nitrogen atoms in urea were provided by NH3 and aspartate. Neither I nor II Both I and II II only Ⓒ I onlyarrow_forward
- Alkaptonuria is a rare organic aciduria involving a deficiency in homogentistic acid oxidase resulting in accumulation of homogentisic acid which is an intermediate in the degradative pathway of which of the following amino acids? a. Threonine b. Alanine c. Tyrosine d. Valinearrow_forwardProteases are one of the main drug targets. Choose the False statement regarding proteases. A. Proteases are enzymes that cleave peptide bonds. B. Water is a reactant in the reaction catalyzed by proteases. C. Proteases, like all enzymes show substrate specificity, meaning they cleave only substate that fit the bonding product. D. Proteases rely on the proton transfer from NADH to the substrate. E. Protease mechanism involves only acid-base catalysis.arrow_forwardDefine the following terms: a. sdLDL b. oxLDL c. cytochrome P450 d. atheroma e. abetalipoproteinemiaarrow_forward
- Which of the following is a degradation product of both cytidine and deoxycytidine? a. β-alanine b. β-aminoisobutyrate c. succinyl-CoA d. uric acidarrow_forwardIn transamination reactions, which of the following is not a donor amino acid–acceptor α-keto acid pair? a. aspartate and pyruvate b. alanine and pyruvate c. glutamate and α-ketoglutarate d. aspartate and oxaloacetatearrow_forwardD-Gluconic acid is formed from D-Glucoge Select one: a. By reduction b. By oxydation c. By substituton d. By esterificationarrow_forward
- Urea is converted to ammonia and carbon dioxide by the action of urease. What will be the effect on the rate if the temperature of the reaction is lowered from 37°C (the optimum temperature) to 27°C? (Circle one). a. There will be no effect. b. The rate will slow down. c. The rate will double. d. The rate will triple.arrow_forwardThe urea cycle can be summarized through the following reaction: O || H2N-C-OPO3 + COO- | H3N-CHCH₂COO b. O || H2N-C-NH2 1a Write the reactions, using structural formulas that lead to the formation of carbamoyl phosphate and its subsequent incorporation into the urea cycle. Name the enzymes and how they are activated. 1 + OOCCH=CHCOO- Write the rest of the reactions that constitute the urea cycle using structural formulas. Name the enzymes that catalyze each reaction. Indicate which reactions occur in the mitochondrion and which occur in the cytoplasm.arrow_forwardIdentify urea in the Urea cycle below and show/explain where the two Nitrogen atoms of urea originate from. 3 2 ATP + HCO3 + NH3 4 CPS-1 2 ADP, P₁ NH3 CH₂ CH₂ CH₂ HC-NH3 Coo 1 7 H₂N NH₂ H₂N O=UN ARG1 H₂O OPO3²- feeli. NH₂ CH₂ CH₂ OTC CH₂ P₁ HỘ—NH3* ·8-3-4-8 • ASL CH 5 ΝΗ CH₂ CH₂ CH₂ HỘNH3 COO NH₂ 3 3 ASS NH COO ΝΗ CH₂ CH₂ COO- CH₂ CH₂ HỘ NH3* COO 4 ATP PP₁ L-Asp AMParrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage