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UNE Biochemistry Unit 3 Which of the following lipoproteins distributes dietary lipids? chylomicron The interaction of chylomicrons with lipoprotein lipase is stimulated by which of the following Apo proteins? ApoC II Nascent chylomicrons are synthesized in which tissue? Intestine Bile salts are synthesized from cholesterol and are used for the emulsification of dietary lipids. What is the primary fate of bile salts during digestion? They are reabsorbed in the ileum Nascent chylomicro...

UNE Medical Biochemistry Exam 1 Questions With Complete Solutions. what percentage of water is in the body? 60% Relationship between protons and acids & bases Acids donate proton. Bases accept proton Strong Acids Vs Weak Acids Strong acids fully dissociate (100%) and weak acids partially dissociate properties of water dipole dipole polar H bonding dissolves electrolytes ( CL /Na) Small Kd- doesn't dissociate alot kw ion product 10^-14 pH -log[H+] biological PH 7.4 types of ...

UNE FINAL BIOCHEM LATEST EXAM!! What are the main products of beta oxidation? 1 NADH, 1 FADH, 1 Acetyl CoA So in the case of an 11-year-old girl brought to the emergency department by her father, he's reporting that she's been very thirsty and needing to make frequent strips to the bathroom. Today, she reported lightheadedness during a soccer game and symptoms did not resolve after drinking a power beverage. A rapid dipstick test revealed glucose in her urine and further diagnosis are con...

Unit 3 UNE Biochem Test Questions & Answers Already Scored A+ An individual goes to bed around 8 pm and doesn't wake up until 9 am the next morning . During this time, which of the following is the primary oxidizable substrate in the skeletal muscle? Free fatty acids

UNE Biochem Midterm Questions With Actual Answers. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the affinity of hemoglobin for oxygen? increase 2,3 biphosphoglycerate (BPG) Allosteric activators of hemoglobin will increase substrate binding through which of the following mechanisms? Binding the protein, and keeping it in the "R" conformation Which of the following is the best description of primary...

UNE biochem Unit 1 Test Questions And Answers. Allopurinol is an inhibitor of Xanthine Oxidase. Addition of this compound will result in a decrease in what compound? Uric Acid DNA replication occurs during which phase of the cell cycle? S phase The affinity for DNA and histones within a chromosome can be increased by which of the following histone modifications? Deaceytlation

Biochemistry Final Exam UNE CHEM 1005 (Weeks 9-15) Questions & Answers Solved 100% Correct!! Control of Fatty Acid Synthesis vs. Oxidation When Insulin is HIGH --> fatty acid synthesis occurs When Glucagon is HIGH --> lipolysis, fatty acid B-oxidation, ketogenesis occur **These never happen at the same time! Lipolysis Process of releasing free fatty acids from triacylglycerols stored in the adipose IN THE FASTED STATE Steps of lipolysis 1) Hormone Sensitive Lipase: activated by...

UNE Biochem Final Exam 2023/2024 A 3-year-old male is brought to the emergency department by his parents. He is unconscious on admittance and his blood glucose was 15 mg/dl, ( normal 75 - 105 mg/dl). Further testing showed this individual had a deficiency in carnitine. Based on this diagnosis you would also expect which of the following to be true with regards to metabolism: This patient would have elevated levels of circulating free fatty acids. A 7-year old female is recently diagnosed wi...

UNE biochem Unit 4 Exam |50 Questions| All Passed!! Ubiquitination is a means of targeting a protein for which of the following cellular processes? Proteasomal degradation The reaction of ammonia with a-ketoglutarate is catalyzed by_______ and requires ________ as a reactant? Glutamate dehydrogenase; NADH or NADPH Most enzymes involved in a protein digestion require cleavage for activation. These proteins are secreted as inactive protein forms called: Zymogens The urea cycle takes place...

UNE Biochem Unit 2 Exam Quizzes & Answers Glycolysis provides intermediates that can be used to make other necessary substrates. One example of this is the direct conversion of pyruvate to which of the following amino acids? a. proline b. threonine c. glutamate d. alanine alanine Which of the following best describes the net effect of the 8 steps of the TCA cycle? a. this process completely oxidizes an acetyl group to carbon dioxide b. this process directly converts pyruvate to succin...

UNE Biochemistry Midterm Exam Questions And Answers Verified 100% Correct!! How do most enzymes reduce the activation energy needed to move a reaction forward? Providing an active site most complementary the transition state An enzyme has a mutation within the substrate binding of the coenzyme needed for covalent catalysis. Which of the following is likely to result as a consequence of this mutation? The enzyme will not be able to form the transition state complex Hemoglobin has the abili...

UNE Biochemistry Final, Final, Final Exam Review UNE medical biochemistry Already Graded A+ A comatose infant is brought to the ER. In the course of the examination, plasma ammonia was found to be elevated 20-fold over normal values. Urine orotic acid and uracil were both greater than normal. A defect of which of the following enzymes is the most likely diagnosis? Ornithine transcarbamoylase Your patient presents with a deficiency of the enzyme that catalyzes synthesis of N-acetylglutamate ...

UNE Biochem 1005 Unit 2 Exam Latest Questions With Correct Solutions. 1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? a. cAMP 1. Hereditary ...

UNE Biochem FINAL |83 Questions| With 100% Verified & Passed Solutions. An individual goes to bed around 8 pm and doesn't wake up until 9 am the next morning. During this time, which of the following is the primary oxidizable substrate in the skeletal muscle? Free fatty acids Under fasted conditions as described above, the skeletal muscle and liver would be oxidizing free fatty acids as a means of producing ATP. A well, 2-year-old girl presents to the clinic with symptoms of a viral ill...

UNE Biochemistry Midterm Study Bank Questions With Actual Solutions. Succinate is a substrate for which complex in the electron transport chain? a.) Complex 1 (NADH-1 oxidoreductase) b.) Complex IV (Cyt c oxidase) c.) Complex V (ATP synthase) d.) complex II (Succinate-Q reductase) Complex II (succinate-Q reductase) (D) Which of the following would be consistent with an exergonic reaction? a.) ∆S would be negative b.) ∆G would be negative c.) ∆S would be positive ...

Final Exam Review UNE medical biochemistry Questions & Answers Rated 100% Correct!! Under fasting conditions (ratio of insulin: glucagon <1), elevated glucagon will activate which of the following enzymes? hormone sensitive lipase Ketonuria, hypoglycemia, and severe acidosis are prime diagnostic indicators of the presentation of type 1 diabetic ketoacidosis. Which of the following compounds are "ketone bodies" that would be elevated in serum of urine of a patient in this condition? D-...

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

UNE Biochemistry Final Questions With 100% Correct Answers. The glucose-alanine cycle is a method of transferring ammonia from the skeletal muscle to the liver. In this process the non-toxic carrier of ammonia is which of the following compounds? Alanine Which of the following enzymes is correctly paired with its activator? N-acetylglutamate synthatase; arginine The urea cycle takes place in which of the following subcellular locations? the cytosol and the mitochondria Which of the foll...

UNE medical biochemistry Unit 1 Test Questions With Complete Solutions. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the affinity of hemoglobin for oxygen? a) decrease in protons b) increase in 2,3 bisphosphoglycerate (BPG) c) increase in pH d) decrease in CO2 Increase in 2,3 bisphosphoglycerate (BPG) Domains are common structural elements that retain a particular function within the protein. Whi...

ATI RN Fundamentals Content Mastery Practice Test Questions And Answers Already Graded A+ A charge nurse is discussing the responsibility of nurses caring for clients who have a clostridium difficile infection. Which of the following information should the nurse include in the teaching? -assign the client to a room with a negative airflow system. -use alcohol-based hand sanitizer when leaving the client's room. -clean contaminated surfaces in the clients room with a phenol solution. -h...