18. Name a currently unsolved problem in any of the areas we've covered so far, [pentose phosphatepathway, photosynthesis, fatty acid and ketone metabolism, lipid and cholesterol metabolism, GLP1/GIPagonists, plant engineering] for which further research will lead to a more complete understanding of thefield. In your answer, clearly specify the question or problem that needs to be solved.

In the domain of plant engineering, an ongoing challenge revolves around creating crops capable of…

Answered: 18. Name a currently unsolved problem…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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1. Why is the chemical logic behind the phosphorylation of glucose by hexokinase? a. So that we end the preparatory phase with 2 3-carbon compounds. b. to provide a substrate for phosphohexose isomerase. c. "Locks" Glucose in the cell. d. to decrease the ΔG of the next reaction. 2. What type of reaction does glyceraldehyde-3-phosphate dehydrogenase catalyze? a. isomerization b. group transfer c. oxidation d. dehydration
6) Compare & contrast the processes of Cellular Respiration & Lactic Fermentation. Be sure to discuss the processes and the molecules produced/consumed that they have in common as well as what the key differences between these two processes in terms of the molecules produced and the overall result.
1. What role does oxygen play in the ETC? What ultimately happens to that oxygen? (What compound(s) does it become?) 2. What are the rate-limiting enzymes of glycolysis and the TCA cycle? Glycolysis: TCA:
please focus on this question 3 times i submitted it and three different answers, please make sure of ur answer
5. pertaining to glycolysis, gluconeogenesis, TCA cycle, glycogen breakdown and synthesis
7. Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a molecule of glucose that is used for energy in the cells of the plant stem. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants.
8. Indicate the number of moles each of the molecules below formed from running three moles of glucose through glycolysis and Krebs cycle Moles produced from two moles of glucose running through Glycolysis Moles produced from two moles of glucose being oxidized in the PDC/Krebs Cycle Molecule Produced ATP GTP NADH + H* FADH2 CO2 D Focus United States) W DE DELL F11 F12 F8 F9 F10 F6 FZ (8)
for the table below make a graph call it Factors vs Rate of Enzyme Activity rules: data points must be an x or circled dot, must be on grid papaer and half the page minimum size, the independant variable on the x axis and dependant variable on the y axis, must include titles
18.Substrate-level phosphorylation (A) Energy released from ATP hydrolysis is used to phosphorylate the substrate (B) Energy released from the chemical reaction is used to directly phosphorylate ADP (C) Energy released from ATP hydrolysis is used to phosphorylate ADP (D) Energy released from the chemical reaction is used to directly reduce NAD+
III. Match the item to each step in the Krebs Cycle. a. isocitrate f. oxaloacetate g. sulfur h. a-ketoglutarate i. fumarate j. ATP b. succinate C NAD d. malate e. succinyl-CoA 85. What molecule is formed when GTP is oxidized to form GDP? 86. What molecule is formed when FAD is reduced? 87. Which molecule must be reduced so that oxaloacetate is formed? IV. Match each compound to a step that of the Light-Dependent Reaction. a. P700 b. P680 . P680 d. ATP synthase e. PhotosystemI f. electron acceptor g. electron carrier h. chlorophyll II. i. NADPH reductase j. b. - f complex 88. Light photons excite electrons from this part of the Reaction Centre. 89. The enzyme that helps remove electrons from the thylakoid. 90. The enzyme that acts to form ATP with chemiosmosis. V. Match the enzyme or protein to the replication process. a. DNA polymerase l b. DNA polymerase I| . DNA polymerase III d. primase e. DNA ligase f. helicase g. single-strand-binding proteins h. topoisomerase Il 91. Unwinds helix…
7. In the ketone body pathway, both acetoacetate and B-hydroxy butyrate are produced and become additional fuel molecules for the organism. a. Define where these molecules are produced (both tissue type and location in the cell) and what tissue they "feed". b. Of these two molecules, which one is considered slightly better in delivering more energy to the target tissue? Why? c. How does acetone, another ketone body, participate in delivering fuel to target tissue? d. If acetoacetate decarboxylase enzyme was mutated and became inactive (zero enzyme activity), how would this affect the ketone pathway during these conditions: į. immediately after a meal, ii. under starvation conditions, iii. during unchecked (not being treated for) type-1 diabetes.
1. What kind of quality assessment is performed on amylase and why is this important? 2. What are the advantages and disadvantages to using amylase?

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