For item 17 choose only one correct answer. 17. Three mutant strains of yeast each lacked a different respiratory enzyme and could not cary out specific metabolic reactions asshown below.Strain P- could not convert pyruvic acid to ethanolStrain Q- could not attach an acetyl group to CoAStrain R- could not form citric acidIn which strains could Krebs cycle still occur?B. P onlyA.P and QC. Q and RD. R only

Metabolism is a process of conversion of food consumed by the living body into energy in the form of…

Answered: 17. Three mutant strains of yeast each…

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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7. Identify this type of met abolism. Complete the diagram for A B, andC. ( Glucose NADH ATP LAB: What is the goal of a successful Streak Plate procedure? How does this help us when we look at Koch's Postulates? 8. 9. LAB: When looking at the results of your streak plate: a. Were you successful? If so, how do you know? b. If not, what might have not gone wel? c. What was the goal of streak plating?
1. You set up two cultures with an equal amounts of Escherichia coli. You label one culture "A" and the other "B." Each culture is given 100mL of tryptic soy nutrient broth. You then take culture A and incubate it in the absence of oxygen and take culture B and incubate it in the presence of oxygen for one week. If E. coli is able to use both aerobic and anaerobic metabolism, the how would we classify it? Is it an obligate aerobe, obligate anaerobe, or a facultative anaerobe? Based on that information, which flask, A or B, would have more cells at the end of the week? Fully explain your answer.
6. Complex I and Complex II produce a common product which is: Choose one (5 points) a. NAD+ b. FAD. c. reduced coenzyme Q. d. reduced cyt c. e. reduced 02. a. NAD+ b. FAD C. reduced coenzyme Q (CoQH2 or UqH2) d. reduced cytC e. reduced 02
1.List 2 molecules that are produced by fermentation in yeast. 2.State the first law of thermodynamics, and explain how it relates to the study of life.
1. Choose all the correct answers. Enzyme catalyzing this reaction: COO CO0 но C-H + NAD* CH2 + NADH + H* CH2 лвенный тет CoO COO L-Malate Oxaloacetate A. Belongs to the class of transferases. B. Belongs to the class of oxidoreductases. C. Is a simple enzyme. D. Is a holoenzyme.
The main goal of fermentation is to regenerate NAD+ to sustain ATP production by glycolysis. O True O False Value: 2 Fermentation products can be used to differentiate bacteria for diagnostic purposes. O True False Value: 3 Which of the following could be reason that some organisms are not capable of doing respiration? (mark all correct answers) a. Cell lacks sufficient amount of appropriate inorganic electron acceptors b. Cells lack genes make electron carriers for ETS c. Cells lack genes to make enzymes for glycolysis d. Cells lack genes to make enzymes for Krebs Cycle
waste product of anaerobic respiration by animal cells seous product of the Krebs cycle udent set up the apparatus shown below, one with germinating seeds and one with dry seeds. The ssium hydroxide (KOH) in each tube will absorb any carbon dioxide in the test tube so that carbo ide released will not affect the volume of gas in the test tube. This ensures that the volume of gen gas in the test tube is the variable being measured. student left the apparatus for 30 minutes in a warm, dark room and then measured the location c droplet of dye. What are the expected results? t tube A dry seeds -KOH d Test tube B Time left 1:01 germinating seeds -KOH lect one: a. In test tube B, the droplet moved to the left, indicating that oxygen was used by the germinatim seeds as they were growing. b. In test tube the droplet moved to the left, indicating that oxygen was released by the dry seeds. 40 Oc. In test tube B, the droplet moved to the left, indicating that oxygen was released by the germinating…
1. Write the over all equation of formation of one palmitate molecule via condensation, reduction, dehydration, and reduction reactions.. Single line text. 2. Write the overall equation for the transfer of one acetyl group from the mitochondrion to the cytosol.. Single line text.
Cytosol Mitochondrion A. PATHWAY 1. major pathway of ethanol metabolism NAD* NADH + H* NAD* NADH + H* in the liver CH,-CH,-OH ADH + CH,-C=O CH;-C-OH + H-O-H ALDH ETHANOL ACETALDEHYDE АСЕТАТЕ WATER B. PATHWAY 2 microsomal ethanol CYP2E1 oxidizing system (MEOS) NADPH + H* + O2 NADP* + 2H,O Excess alcohol consumption increases the NADH:NAD* ratio in the cytosol of hepatocytes.
19. Which of the following is NOT true of the Embden-Meyerhof-Pamas (EMP) pathway? A. Produces a total of four ATP molecules B. Produces one pyruvate C. Produces two molecules of NADH D. The most common pathway in microbes E. Uses two ATP molecules to modify a glucose molecule K
7. Representative values of V and ApH for the inner mitochondrial membrane and the thylakoid membrane at 25°C are provided in the table. ApH 1.0 pmf Inner mitochondrial 0.166 V membrane Thylakoid membrane 0.03 V 2 A) Calculate the pmf for each membrane and enter the values in the table.
1. Demonstrate your understanding whether carrier-free biocatalysts should or should not be considered as good biocatalysts. You discussion must be in detail and related to biocatalysis. You can provide detail explanation or provide example. 2. Compare and contrast the following pairs of terms. Relate their similarities and differences to applications in biocatalysis. Zymonomas sp. and Saccharomyces sp.

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