BIS 103 Study Guide - Midterm Guide: Glycerol, Nicotinamide, Atp Hydrolysis

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sapphirewolf240

23 Oct 2017

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Why should we study glycolysis before studying any other pathways? shared via c ourse h ero. co m. T his study resource w as https://www. coursehero. com/file/11836143/midterm-1-study-guide: we should be able to recognize the last names of the two scientists who made significant contributions to our knowledge about glycolysis and whose names are often used to explain the glycolysis pathway. We may get confused but should be fine as long as we know that those questions ask us to use information and concepts covered in the study guide. shared via c ourse h ero. co m. How does fructose enter glycolysis in liver? shared via c ourse h ero. co m. Post class assignments (see class note and presentation for hints and answer keys) class1 look at note class 1 pages 15&16 (calendar). Draw structures of atp, nad+ and nadh, recognize adenine, ribose and phosphoric anhydrides for atp.

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Fill in the blank in the following table:

metabolic cycle	location pro/ eukaryote	components	substrates	products	pathway purpose
embden- meyerhof- parnas (glycolysis)	cytoplasm/ cytoplasm	10 enzymes
pentose phosphate pathway	cytoplasm/ cytoplasm	dozen enzyme	1 Glucose (6 carbon), 1 NADP, 1ATP	1 Ribose-P (5 carbon) + 1CO2, 1NADPH, or sugars, 1 ADP	Nucleotide synthesis, NADPH for anabolism
PDH reaction	cytoplasm/ mitochondria matrix
TCA/ Krebs/ citric acid cycle					generation of high energy electron carriers, provide metabolic precursors
Electron transport chain + ATP synthase (aerobic respiration)
Electron transport chain + ATP synthase (anaerobic respiration)			1Nitrate or sulfate or CO2, 1NADH + ____ ADP Or 1FADH2+ ____ ADP	N2, or NO2 or H2S or CH4 1NAD + ____ ATP Or 1FADH2+ ____ ATP	Generate proton motive forces abd use to generate ATP regenerate NAD+
Fermentation	cytoplasm/ cytoplasm	1 or more enzymes (vary by organism)	1 pyruvate, 1 NADH	1 alcohol or acid (maybe 1 CO2) NAD+	Regenerate NAD+

The complete conversion of a molecule glucose to six molecules of carbon dioxide via glycolysis and the Krebs cycle requires 19 reactions. Put the reactions that are given below in the proper order, beginning with the phosphorylation of glucose to form glucose-6-phosphate and ending with the oxidation of malate to form oxaloacetic acid.

1) 1,3-bisphosphoglycerate + ADP --> 3-phosphoglycerate + ATP
2) fumarate + H₂O --> malate
3) isocitrate + NAD⁺ --> alpha-ketoglutarate + NADH + H⁺ + CO₂
4) phosphoenol pyruvate + ADP --> pyruvate + ATP
5) Succinyl-CoA + GDP + P_i --> succinate + GTP + CoASH
6) glyceraldehyde 3-phosphate + NAD⁺ + P_i --> 1,3-bisphosphoglycerate + NADH + H⁺

Thank you for the help!

tealleopard702

Multiple or none can be the answers!

QUESTION 1

The pentose phosphate shunt is a pathway required for the

		formation of ribose-5-phosphate used in the synthesis of nucleic acids
		production of ATP by oxidative phosphorylation
		production of NADPH to drive various anabolic synthetic pathways
		regulation of gluconeogenesis

QUESTION 2

The TCA cycle is regulated by

		succinyl-CoA levels
		ADP
		NADH
		Fe²⁺

QUESTION 3

The TCA cycle produces

		substrate level phosphorylation of ADP to ATP
		Reduction of NAD+ to NADH
		substrate level phosphorylation of GDP to GTP
		Reduction of FAD to FADH₂

BIS 103 Study Guide - Midterm Guide: Glycerol, Nicotinamide, Atp Hydrolysis

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