Essential biochem Study guides, Class notes & Summaries

Biochem Questions and Answers with Verified Solutions What is the primary structure of a protein? The primary structure of a protein is the linear sequence of amino acids. How do competitive inhibitors affect enzyme activity? Competitive inhibitors decrease enzyme activity by binding to the active site, preventing substrate binding. What is the function of chaperone proteins? Chaperone proteins assist in the proper folding of other proteins. What is the role of glycogen in the body? Gl...

UNE medical biochem FINAL |108 Questions | With Complete Solutions. Which of the following urea cycle enzymes catalyzes the reaction hydrolyzing the release of urea from arginine? Arginase Arginase releases urea from arginine through a hydrolytic cleavage. Which of the following enzymes is likely to be active in both the fed and fasted states? Glutaminase Glutaminase in the liver is responsible for freeing ammonia from glutamine. In the fasted state, glutamine will be in excess due t...

UNE Biochem Unit 4 Multiple Choice Questions With 100% Complete Answers. Which of the following non-essential amino acids is synthesized as part of the urea cycle? Arginine Which of the following reactions of the urea cycle takes place in the mitochondria? The synthesis of carbamoyl phosphate The transamination of all amino acids requires which of the following cofactors? Pyridoxal phosphate (PLP) A comatose infant is brought to the ER. In the course of the examination, plasma ammonia w...

VCU Biochem Exam 2 Questions And Answers is binding of ligands reversible? - ANS-yes, it is essential for it to be reversible cooperativity - ANS-In multisubunit proteins, conformational changes in one subunit can affect the others functions of globular proteins - ANS-1. storage of ions and molecules (myoglobin and ferritin) 2. transport of ions and molecules (hemoglobin, serotonin transporter) 3. defense against pathogens (antibodies, cytokines) 4. muscle contraction (actin, myosin) 5....

BioChem C785-Biochem Final Exam Latest 2021-2022. Question 1: Which of the following enzymes is part of both the TCA cycle and the electron transport chain? Question 2: ATP is used to carry energy within the cell. The majority of energy in ATP is stored within which of the following bonds indicated on the image below? Question 3: In the case of a deficiency in phenylalanine hydroxylase which of the following amino acids will become essential?

FSHN 120 Exam Questions With 100% Correct Answers Nutrition is an easy subject - answer-no, not as simple as saying rat and apple and be healthy - nutrition is a conbination of biology, chemistry, biochem, anatomy, physiology, and math Light foods= low fat foods - answer- no because you need to look at the calories from fat and percentage All natural foods are healthy - answer-not always - lots of lard (pig back fat) - salt - ribeye (over 2/3 of calories from fat) They wouldn't sell i...

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...

Altered Essential Fatty Acid Metabolism and Composition in Rat Liver, Plasma, Heart and Brain After Microalgal DHA Addition to the Diet Yu Hong Lin, Samit Shah, and Norman Salem Jr. Section of Nutritional Neuroscience, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health Abstract To investigate the effect of docosahexaenoic acid (DHA) without other highly unsaturated fatty acids (HUFA) on n-3 and n-6 essenti...

UNE biochem Unit 4 exam questions & answers 2024 Ubiquitination is a means of targeting a protein for which of the following cellular processes? - ANSWER-Proteasomal degradation The reaction of ammonia with a-ketoglutarate is catalyzed by_______ and requires ________ as a reactant? - ANSWER-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: - ANSWER-Zymogens ...

UNE Biochem Unit 4 Multiple Choice Questions With 100% Complete Answers. Which of the following non-essential amino acids is synthesized as part of the urea cycle? Arginine Which of the following reactions of the urea cycle takes place in the mitochondria? The synthesis of carbamoyl phosphate The transamination of all amino acids requires which of the following cofactors? Pyridoxal phosphate (PLP) A comatose infant is brought to the ER. In the course of the examination, plasma ammonia w...