Why is ATP the most popular compared to GTP or the other NTP's. Explain. energy-producing molecule as
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- What is the smallest number of molecules of ATP and GTP consumed in the synthesis of a protein with 200 residues after mRNA synthesis, starting from amino acids? Assume that the hydrolysis of PP; is equivalent to the hydrolysis of ATP for this calculation. number of ATP molecules: number of GTP molecules: 400 800 IncorrectWhat exists as a dimer in which the α-subunit con-tains a trapped and nonhydrolyzable GTP and the β-subunit binds an exchangeable and hydrolyzable GTP.Protein synthesis is energetically expensive. Consider the hydrolysis of ATP into AMP as equivalent to 2 ATP, and both ATP and GTP as energetically equivalent. In a cell-free system, how many ATP equivalents are required to incorporate 32 amino acids into a growing peptide chain?
- V-class proton pumps run backward relative to the F-class ATP synthase. Consider the cartoon, which shows the conformations of the beta-subunits and ATPIADP + Pj of the F-class synthase. Which of the following associations between the conformation of the beta subunit and ATP/ADP + P¡ is correct for V- Binding Change Mechanism loose binding ADP+P ATP ATP class pumps? C repeat ADP + P, ADP АТР tight binding АТР +P оpen АТР O The open conformation releases ATP. Hydrolysis of ATP to ADP + P¡ drives the change from tight to loose. O Binding of ADP + P¡ drives change from open to loose. Hydrolysis of ATP to ADP + Pj drives the change from open to loose.Many types of cells are able to use membrane-spanning transport proteins and a source of energy to drive the active transport of glucose across the cell membrane. Leť's consider a specific protein that is able to transport (from outside the cell into the cytoplasm) one molecule of glucose for each molecule of ATP the protein hydrolyzes. The details of this process are not important for this problem except that you can treat it like equilibrium process. The overall reaction and the associated AG at 298 K for this process are given below. Glc(out) + ATP + H20 = Glc(in) + ADP + P at T = 298 K, AG = -31.3 kJ mol-1 Additional Information: • P. is "inorganic phosphate" (i.e. PO4²- & related species). At equilibrium, [P] = 3 x 10-3 M. • The cell maintains a ratio of ATP to ADP of about 20 (i.e. [ATP]/[ADP] = 20). • The maximum ratio of [Glc(in)] to [Glc(out)] occurs when the system is at equilibrium. a) Write an expression for the equilibrium constant for this process. b) Your expression for….Intramitochondrial ATP concentrations are about 5 mM, and phosphate con- centration is about 10 mM. If ADP is five times more abundant than AMP, calculate the molar concentrations of ADP and AMP at an energy charge of 0.85. Calculate AG for ATP hydrolysis at 37 °C under these conditions. The energy charge is the concentration of ATP plus half the concentration of ADP divided by the total adenine nucleotide concentration: [ATP] + 1/2[ADP] [ATP] + [ADP] + [AMP]
- "Binding of extracellular ligands to receptor tyrosine kinases (RTKs) activates the intracellular catalytic domain by propagating a conformational change across the lipid bilayer through a single transmembrane a helix" is true or false.Intramitochondrial ATP concentrations are about 5 mM, and phosphate concentration is about 10 mM. If ADP is five times more abundant than AMP,calculate the molar concentrations of ADP and AMP at an energy charge of 0.85. Calculate ∆G for ATP hydrolysis at 37 °C under these conditions.The energy charge is the concentration of ATP plus half the concentration of ADP divided by the total adenine nucleotide concentration.In concerted model, all subunits in the enzyme are either in the low affinity or high affinity forms.
- What are some of the interactions made between ATP and the kinase? Can you please describe bonds that the protein makes with (a) the phosphate groups, (b) the sugar, and (c) the adenine base? Please don't just copy answers from google.. I already read most of em.. :(List some advantages of phosphorylation/dephosphorylation cascade systems over simple allosteric regulation.Intramitochondrial ATP concentrations are about 5 mM, and phosphate concentration is about 10 mM. If ADP is five times more abundant than AMP, calculate the molar concentrations of ADP and AMP at an energy charge of 0.85. Calculate AG for ATP hydrolysis at 37 °C under these condi- tions. The energy charge is the concentration of ATP plus half the concen- tration of ADP divided by the total adenine nucleotide concentration: [ATP] + 1/2[ADP] [ATP] + [ADP] + [AMP]
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