PRESCOTT'S MICROBIOLOGY
11th Edition
ISBN: 2818440045677
Author: WILLEY
Publisher: MCG
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Chapter 22.2, Problem 2MI
MICRO INQUIRY Identify the reactions that contribute to substrate-level phosphorylation and those that might contribute to ATP synthesis by a membrane-bound ATP synthase.
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Organisms must do tasks in order to survive. This work requires either light for photosynthesis or the chemical potential energy of organic molecules as an energy input. Explain the necessity for energy in living organisms and provide two (2) examples. Explain the oxidative phosphorylation process, particularly the involvement of oxygen. Discuss the generation of a low yield of ATP from anaerobic respiration and the formation of lactate in mammals.
Biochemists working with isolated mitochondria recognize five energy“states” of mitochondria, depending on the presence or absence of essential substrates for respiration—O2, ADP, oxidizable substrates, and so forth. The characteristics of each state are:state 1: mitochondria alone (in buffer containing Pi)state 2: mitochondria + substrate, but respiration low due to lack of ADPstate 3: mitochondria + substrate + limited amount of ADP, allowingrapid respirationstate 4: mitochondria + substrate, but all ADP converted to ATP, sorespiration slowsstate 5: mitochondria + substrate + ADP, but all O2 used up (anoxia),so respiration stops(a) On the graph, identify the state that might predominate in each stage of the trace indicated with a letter. (b) To determine whether isolated mitochondria exhibit respiratory control,one determines the ratio of rates of oxygen uptake in two different states.Which states?(c) Which state probably predominates in vivo in skeletal muscle fatiguedfrom a long…
Chemolithotrophs meet their energy needs by oxidizing organic food molecules.
True
False
Which of the following events does not occur during the energy-investment phase of glycolysis?
Hexokinase catalyzes the transfer of a phosphate group from ATP to glucose to form glucose-6-phosphate.
Phosphofructokinase catalyzes the isomerization of glucose-6-phosphate to fructose-6-phosphate.
Fructose-bisphosphate aldolase cleaves Fructose-1,6-bisphosphate into two different three-carbon sugars.
Dihydroxyacetone phosphate can be converted to glyceraldehyde-3-phosphate with the help of the enzyme triose phosphate isomerase.
Chapter 22 Solutions
PRESCOTT'S MICROBIOLOGY
Ch. 22.1 - What would Rhodospirillum rubrum use for carbon...Ch. 22.1 - How are bacterial cysts different from the...Ch. 22.1 - If Caulobacter bacteria were grown in a...Ch. 22.1 - What steps are also found in the TCA cycle? What...Ch. 22.1 - Why do nitrifying microbes possess intracellular...Ch. 22.1 - Prob. 6MICh. 22.1 - Prob. 1CCCh. 22.1 - Prob. 2CCCh. 22.1 - Prob. 3CCCh. 22.1 - Compare and contrast the life cycle of members of...
Ch. 22.1 - Prob. 5CCCh. 22.1 - Prob. 6CCCh. 22.1 - Prob. 7CCCh. 22.1 - Prob. 8CCCh. 22.2 - MICRO INQUIRY Suggest why N. europaea has PTS...Ch. 22.2 - MICRO INQUIRY Identify the reactions that...Ch. 22.2 - Prob. 1CCCh. 22.2 - Prob. 2CCCh. 22.2 - Prob. 3CCCh. 22.2 - How do colorless sulfur bacteria obtain energy by...Ch. 22.2 - Prob. 5CCCh. 22.3 - Prob. 1MICh. 22.3 - Prob. 2MICh. 22.3 - Prob. 3MICh. 22.3 - Prob. 1CCCh. 22.3 - Prob. 2CCCh. 22.3 - Prob. 3CCCh. 22.3 - Prob. 4CCCh. 22.3 - Prob. 5CCCh. 22.3 - Prob. 6CCCh. 22.3 - Prob. 7CCCh. 22.4 - Prob. 1MICh. 22.4 - What general features are common to most...Ch. 22.4 - Prob. 2CCCh. 22.4 - Prob. 3CCCh. 22.4 - Characterize Bdellovibrio spp. and outline the...Ch. 22.4 - Compare the growth of a myxobacterium in...Ch. 22.5 - What property unifies -proteobacteria?Ch. 22.5 - Prob. 2CCCh. 22.5 - Prob. 3CCCh. 22 - Prob. 1RCCh. 22 - Prob. 2RCCh. 22 - Prob. 3RCCh. 22 - Prob. 4RCCh. 22 - Prob. 5RCCh. 22 - Prob. 6RCCh. 22 - Prob. 7RCCh. 22 - Prob. 8RCCh. 22 - Prob. 9RCCh. 22 - Prob. 1ALCh. 22 - Prob. 2ALCh. 22 - Prob. 3ALCh. 22 - Prob. 4ALCh. 22 - Prob. 5ALCh. 22 - Prob. 6ALCh. 22 - Prob. 7ALCh. 22 - Prob. 8ALCh. 22 - Prob. 9AL
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- Q: part c This is related to biochemical engineering subjectarrow_forwardGive detailed Solutionarrow_forwardSelect the correct statements about cellular respiration (select all that apply) 1) Chemical energy in glucose is transformed to the form of ATP 2)The over all equation for cellular respiration is C6H12O6 + 6O2 —> 6CO2 + 6H2O + 36ATP 3)Cellular respiration takes place in the ribosomes 4) The phases include glycolysis, the kraft cycle, and the electron transport 5) The overall equation for cellular respiration is glucose + oxygen —> carbon monoxide + water + ADP 6) The phases include glycolysis, the citric acid cycle, and the electron transport chain 7) The breakdown of ATP drives the synthesis of glucosearrow_forward
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- Identfy class and subclassarrow_forwardBiochemists working with isolated mitochondria recognize five energy "states" of mitochondria, depending on the presence or absence of essential substrates for respiration-O, ADP, oxidizable substrates, and so forth. The characteristics of each state are: state 1: mitochondria alone (in buffer containing P;) state 2: mitochondria + substrate, but respiration low due to lack of ADParrow_forward← ASSIGNMENT #1: 8% → с X M Inbox (13) - s23.shrilkuma X Untitled document - Goog X ✰ classroom.google.com/w/NTE5NDE3MTQ5MzUx/tc/NTE5NDE3MTQ5MzYO body needs them. • Discuss the major metabolic pathways assigned to your group. Include rate-limiting steps and enzymes, how many ATPs are produced, and which steps. Groups 1,4 and 7- Carbohydrate Groups 2,5 and 8 - Protein Groups 3,6 and 9 - Lipid (Fat) Use Google Doc format Type here to search A E C Paraphrasing Tool - QuillB X The paper should be 2-3 pages in length excluding the required class front page and reference page. b Answered: Discuss the ma x + H 21°C » ENG T 3:27 PM 2023-06-04 X : 2arrow_forward
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