Which steps below require an ATP to run?
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- Please answer fast The equilbrium constant (Keq) under standard conditions for the hydrolysis of ATP is 200,000 M. This would suggest the reaction is: 1. proceeding in reverse direction 2. proceeding in forward direction 3. in equilibrium However, this does not take into consideration the concentration of substrates/products within the cell. This is can be calculated by determining the reaction quotient, Q by: [ATP] x [Pi] / [ADP] [ATP] + [Pi] / [ADP] [ADP] x [ATP] / [Pi] [ADP] x [Pi] / [ATP] Biochemical reactions commonly involve the transfer of groups from ATP. What is one of the products of pyrophosphate cleavage from ATP? AMP Adenosine ADP Inorganic phosphate Q5-6. The hydrolysis of ATP is often coupled to other reactions. For example: Phosphoenolpyruvate (PEP) + H2O → Pyruvate + Pi (ΔG'° = -63.1 kJ/mol) ATP + H2O → ADP + Pi (ΔG'° = -30.5 kJ/mol) (The standard free-energy changes for the reactions are indicated in brackets) Q5. Given the information above, what is the…ts.edu.au/courses/26618/quizzes/67363/take Question 14 Select the correct statements. The enzymes used in glycolysis involves __________. Note there might be more than 1 correct statement. e to search U kinases to transfer phosphate groups between ADP and ATP kinases to rearrange carbon bonds in sugar molecules isomerases to phosphorylate sugar molecules hydrolases to rearrange carbon bonds in sugar molecules oxidoreductases to transfer electrons between molecules l 88 16°C G N Paused Upda ENG 10:55 PMQuestion 11 Which reaction in glycolysis produces NADH? O oxidation of glyceraldehyde 3-phosphate O oxidation of 1,3-biphosphoglycerate isomerization of glucose 6-phosphate O cleavage of glyceraldehydes 3-phosphate O phosphorylation of fructose 6-phosphate
- QUESTION 10 Which one of the following statements does NOT correctly describe the current state of the chymotrypsin-substrate complex below or the next mechanistic step that occurs? s,' G193 S195 NH NH R -NH R-NH HN- Ser-195 His-57 HN Asp-102 OA. This intermediate is part of a nucleophilic acyl substitution reaction. OB. In the next step His-57 protonates Ser-195. O C. In the next step His-57 activates a water molecule. O D. In the next step His-57 protonates the leaving group. OE. In the next step the N-terminal fragment of the original substrate departs.Question 1. Answer the following questions: A. The complete oxidation of 1 mole of glucose to CO2 and H2O yields 686 kcal of free energy.How many ATP molecules could maximally be generated from one molecule of glucose, if theuseful chemical energy available in the high energy phosphate bond of 1 mole of ATP is 12kcal? B. However, it is known that cellular respiration produces 30 moles of ATP from 1 mole ofglucose. How does this compare with your answer in part (A)? Estimate the overall efficiency ofATP production from glucose? C. Assume that the cells of your body are oxidizing glucose and no energy is being dissipated asheat to the environment. However, the heat not converted into chemical-bond energy isincreasing the temperature of your body. How much would the temperature of your body riseupon oxidation of 1 mole of glucose if your body consists of 75 kg of water. [Hint: One kilocalorie (kcal) is defined as that amount of energy that heats 1 kg of water by 1oC]Question 1. Put away your notes and text and draw the complete Calvin-Benson cycle starting from 3molecules of Ru1,5BP. Show stoichiometry along the way using 6 GAP molecules to regeneratethe 3 Ru1,5BPs. Label each reaction according to its enzyme class (your choices arecarboxylase, kinase, dehydrogenase, aldolase, epimerase, isomerase, phosphatase, andtransketolase – see the posted enzyme guide for help on this).
- Questlon Cempletion tatus QUESTION 1 What in the net number of molecules of ATP produced from complete oxidation of one molecule of glucose to C02 and Hyo under aerobic conditions? You may assume that each NADH is responsible for the generation of 25 ATP and each FADH in responsible for the generation of 1.5 ATP 32 25 7. 19 OOO OQuestion 9 Match the enzyme with a phrase about it. v Catalyzes a substrate lovei phosphorylation 3. Pyruvate kinaise v breaks down sucrose to glucose and fructose b. phosphovylase e phosphohaxesa semerase (ato called giasose-6 phosphete samerane) v is a type of isomerase v removes one glucose residue from glycogen d. Sucrase A Muving to another question will save this responseQuestion:- Two enzymes, acetate kinase and phosphotransacetylase, convert acetate [CH3C(O)O–] and ATP to acetyl phosphate and ADP (acetate kinase reaction) then acetyl phosphate and CoASH (coenzyme A) into acetyl-CoA and inorganic phosphate (Pi ; phosphotransacetylase reaction). What is the ΔG°' for the synthesis of acetyl-CoA from acetate, CoASH, and ATP by this enzyme pair?
- Question 10 Which pathways are stimulated by glucagon? Select all that apply. glycogen metabolism tatty acid synthesis ketogenesis cholesterol synthesis glycogen synthesisQuestion 7 of 16 ©Mat One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The table gives the turnover number of four representative enzymes. W F2 #m 3 E How many molecules of fumarate can one molecule of fumarase act on in 29.0 min? D fumarate Lactate dehydrogenase lactate fumarate molecules: F3 > Enzyme Ribonuclease Fumarase $ 4 R Urease F F4 % 5 T G B 6 HOLO F5 Substrate Turnover number (per second) RNA 100 800 1000 10.000 Y H & 7 urca F6 U J DELL * 8 CO F7 K ( 9 FB O P ; man Wi F10 [ F11 1 F12 Backspace Enter Insert Print Screen Shift Delete Home Scroll Lock Answer End 8:24 PM 10/15/2023 + PgUp Pause Break PgDn Num Lock 7 Home 4 1 EncIs aerobic respiration more or less efficient than glycolysis? Explain your answer.
