Please help with a b c and d Remember that hexose kinase is an enzyme required for hexose metabolism, a process that takes a6-carbon sugar and breaks it down into 2 pyruvate molecules.5a. What specific metabolic process have we studied in which hexose metabolism occurs?5b. How many steps does this pathway consist of?steps5c. Overall, this metabolic process (hexose → 2 pyruvate) is exergonic. However, if you look at theindividual reactions that makeup this process, they are a mix of endergonic and exergonicreactions.Is the preceding statement true or false?If you selected true, describe the contribution of endergonic reactions to the overall exergonicprocess. If false, explain why.You discover that rather than being hormonally regulated (as seen above in humans), hexose kinaseis part of an operon in prokaryotic organisms. This operon is known as the "hexose operon" and itregulates expression of the complete set of enzymes needed to convert a hexose sugar into 2pyruvate molecules.5d. Remembering that hexose metabolism is a highly conserved process among all branches of life,how many genes do you expect to find in this operon? Explain your logic.Like the lac operon, the hexose operon is controlled by a separate regulatory protein under the controlof its own promoter (see the schematic of the operon below). The hexose regulatory protein issensitive to fatty acyl CoA levels. When all hexose fuel sources are depleted, the bacteria switch tolipid metabolism and fatty acyl CoA levels increase. This turns expression of the hexose operon off.+1+1Regulatory GenePregulatorPoperonHexose Operon Genesregulator promoteroperon promoter5e. The regulatory protein that controls expression of the hexose operons is a transcriptionalACTIVTOR or REPRESSOR (circle one).

Cellular respiration is a catabolic pathway of the process of metabolism, where a series of chemical…

Remember that hexose kinase is an enzyme required for hexose metabolism, a process that takes a S-carbon sugar and breaks it down into 2 pyruvate molecules. 5a. What specific metabolic process have we studied in which hexose metabolism occurs? 5b. How many steps does this pathway consist of? steps 5c. Overall, this metabolic process (hexose → 2 pyruvate) is exergonic. However, if you look at the individual reactions that makeup this process, they are a mix of endergonic and exergonic

Remember that hexose kinase is an enzyme required for hexose metabolism, a process that takes a S-carbon sugar and breaks it down into 2 pyruvate molecules. 5a. What specific metabolic process have we studied in which hexose metabolism occurs? 5b. How many steps does this pathway consist of? steps 5c. Overall, this metabolic process (hexose → 2 pyruvate) is exergonic. However, if you look at the individual reactions that makeup this process, they are a mix of endergonic and exergonic

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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