Substrate phosphorylation Study guides, Class notes & Summaries

MIC 205 Final Test Questions with Correct Answers A culture medium on which only gram-positive organisms grow and yellow halo surrounds Staphylococcus aureus colonies is called a(n) A) selective medium. B) differential medium. C) enrichment culture. D) selective and differential medium. E) differential and enrichment culture. - Answer-d) selective and differential medium. Which of the following statements regarding the glycolysis pathway is FALSE? A) Four ATP molecules are gener...

BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A   BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A = Correct answer = We don’t have the answer Exam 1: MULTIPLE CHOICES: 1. You have isolated a mutant line of mammalian cells deficient in emerin. This mutant line is expected to be impaired in: A. Export of 40S and 60S ribosomal subunits from the nucleus B. Ribosome assembly in the nucleolus C. Transcription of some genes in certain ti...

BIOL 1P91 - Final Exam Prep Questions Well Answered 100% Which of the following happens in the cytosol? a) Glycolysis b) breakdown of pyruvate into an acetyl group c) citric acid cyle d)oxidative phosphorylation e) all of the above - ANSWER Answer: Glycolysis The net products of glycolysis are: a) 6 CO2 + 4 ATP, 2 NADH b) 2 pyruvate, 2 atp, 2 NADH c) 2 pyruvate, 4 ATP, 2 NADH d) 2 pyruvate, 2 GTP, and 2CO2 e) 2 CO2, 2 ATP & glucose - ANSWER Answer: b, 2 pyruvate, 2 atp, 2 NADH...

Metabolism - Answer Total energy expenditure of all cata/anabolic processes (bodies ability to use fuel) Measured by either direct (calorimetry chamber) or indirect (Douglas bag/metabolic cart) calorimetry Calorimetry = measure of energy expenditure (kcals = E to heat 1kg water 1°C) Oxidation-Reduction Reaction - Answer - Are always *coupled reactions* (the energy given off by the exergonic reaction powers the endergonic reaction) - *Oxidation*: removing an electron - *Reduction*...

Bio Sci 93 Midterm 2 Practice Questions with Verified Answers Catabolism is to anabolism as ___________________ is to ___________________. a.) exergonic; spontaneous b.) exergonic; endergonic c.) free energy; entropy d.) work; energy b Most cells cannot harness heat to perform work because a.) heat does not involve a transfer of energy. b.) cells do not have much thermal energy; they are eventually cool. c.) temperature is usually uniform throughout a cell. d.) heat can neve...

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 ...

Bioengernetics - Answer-How energy flows through organisms. ATP - Answer-Used for mechanical, transport, and chemical work. ATP is also an RNA nucleotide. Mechanical Work - Answer-Energy used in motor proteins and muscle cells during contractions. Transport Work - Answer-Energy used to move substances against their gradient. Chemical Work - Answer-Energy used to convey polymers into monomers. Gibs Free Energy - Answer-Portion of a systems energy that can preform work when temperature and p...

1) Which of the following statements concerning cellular metabolism is FALSE? A) Energy obtained from nutrients or light is stored in the bonds of ATP. B) Enzymes are used in both catabolic and anabolic reactions. C) Macromolecules are converted into cell structures via catabolism. D) The goal of metabolism is reproduction of the organism. E) ATP is used in the formation of macromolecules. correct answer: c 2) Anabolic reactions may be characterized as A) exergonic. B) breaking large ...

1. Which of the following does not contribute to the regulation of enzymatic activity? A) Protein phosphorylation B) Allosteric regulation C) Protein stability D) mRNA stability E) DNA stability - E 2. For an enzyme to effectively change its activity in response to a change in substrate concentration, it is most favorable for: A) Km to be less than cellular substrate concentrations. B) Km to be equal to cellular substrate concentrations. C) Km to be greater than cellular substrate conc...

UCI Bio 93 (Trio) Final Exam Review Questions With Answers | LATEST UPDATE How energy flows through organisms. - ANSWER Bioengernetics Used for mechanical, transport, and chemical work. ATP is also an RNA nucleotide. - ANSWER ATP Energy used in motor proteins and muscle cells during contractions. - ANSWER Mechanical Work Energy used to move substances against their gradient. - ANSWER Transport Work Energy used to convey polymers into monomers. - ANSWER Chemical Work Portion of ...