4. (4 pts) a) Describe one way in which Rubisco could be improved to optimize photosynthetic activity.b) Why has overexpressing Rubisco not been effective?

Rubisco, or Ribulose-1,5-bisphosphate carboxylase/oxygenase, is the most abundant protein in the…

Answered: 4. (4 pts) a) Describe one way in which…

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. using Fischer Projection, draw each for the investment phase of Glycolyse 1 G16 G6P 2) G6PF6P 3) F6P - F16bP 4) F16bP-> G3P+DHAP of the reaction 4) F16DP -> G3P + DHAP 5)DHAP-> G3 P
25
Please answer the following correctly: i) Salt is often used as a food preservative to prevent bacterial and fungal growth (for example, in country ham). But salt is also important to enhance the flavor of bread when added in small amounts. At what concentration does salt begin to inhibit yeast fermentation? j) Does the food preservative Na benzoate inhibit cellular respiration? k) How do fermentation rates compare for baker's yeast (saccharomyces cerviside) and sourdough yeast, (candida milleri) in different pH environments? l) How do fermentation rates compare for yeast used in brewing most beers (S. cervisiae) and lager (S. pastorianus - a hybrid between S. cervisiae and S.eubaymus)?
Describes the C4 pathway. Write a 1-2 paragraph narrative discussing, in general, the purpose and steps involved in the pathway. What advantages does this pathway provide for the plant?
HOW ARE PHOTOSYNTHETIC MICROBES ABLE TO EXTRACT ∼38 MOLECULES OF ATP FROM 3 MOLECULES OF CO2? EXPLAIN BY PROVIDING AN OUTLINE.
1. Given the information in the provided graphs, which of the two plants (A and B) is a C3 plant and which is a C4 plant. 2. justify the choices you made by explaining how the light response curves and results of the contrasting temperature treatments are consistent with knowledge about each CO2 fixation pathways
Concerning the use of pyruvate when ratio of NADH/NAD+ is low, what is the fate of the carbon labeled in pyruvate when metabolized under these conditions? a) Production of glucose b) Oxidation to CO2 via the TCA cycle c) Conversion to pyruvate to generate oxaloacetate to move electrons to the cytosol via the malate shuttle d) Pyruvate is never metabolized by the cell, instead pyruvate is converted to lactate and solely exported for the Cori cycle and dependent on the liver to recycle the carbon skeleton
revised - see attached. Thanks
11
Define the following terms: a. GSH b. SOD c. redox code d. RNS e. radical
Which of the listed glycolytic enzymes adds a phosphate group to ADP to produce ATP? 1.) pyruvate kinase 2.) hexokinase 3.) phosphofructokinase-1 4.) pyruvate dehydrogenase 5.) phosphexose isomerase 6.) lactate dehydrogenase
Discuss key design requirements for photobioreactors. List three different photoreactor designs suitable for an industrial biorefinery, including their key advantages and disadvantages and scale-up issues Max 150 words excluding references

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4. (4 pts) a) Describe one way in which Rubisco could be improved to optimize photosynthetic activity. b) Why has overexpressing Rubisco not been effective?