You are making sourdough bread using a "starter" of bacteria that ferment sugars. How do bacteria that ferment produce the majority of their ATP?
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You are making sourdough bread using a "starter" of bacteria that ferment sugars. How do bacteria that ferment produce the majority of their ATP?
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- Which of the following statements describes the end step for the electron transport chain? A. H+ ions flow down the gradient to generate ATP B. electrons are transferred to NADH and FADH2 for chemiosmosis C. electrons are transferred to oxygen, causing it to split and take up H+ ions, which form water D. H+ are pumped across the inner membrane of mitochondria to establish an electrochemical gradientWhich pathway uses glucose 6-phosphate to produce NADPH, ribose 5-phosphate, and other sugar phosphates? Group of answer choices Glycolysis Pentose Phosphate Pathway Tricarboxylic Acid Cycle Oxidative State CycleWhich of the following processes will result in a direct net increase of ATP concentration? Group of answer choices Anabolic chemical pathways Primary Active transport dehydration synthesis Glycolysis
- The proton motive force is made as an example of what type of molecular movement? Facilitated (gated) Facilitated (channel) Active PassiveWhich of the below cellular processes requires input of ATP energy? Group of answer choices ATP-synthase creating ATP Na+-K+-ATPase (sodium-potassium pump) activity Simple diffusion Pyruvate Oxidation The Electron Transport ChainAt how many protein complex sites in the electron transport chain does proton pumping occur? a. 1 b. 2 c. 3 d. 4
- The energy used to make ATP via oxidative phosphorylation is from a(n) (Select one answer from list) NO explation is needed just answer Electron gradient Phosphorylated molecule Acid-base reaction ADP molecule Proton gradientIf the bacteria cell plasma membrane was damaged, what step of metabolism would be affected? Formation of NADH and FADH2 in glycolysis and the Krebs cycle. Formation of ATP in glycolysis. Formation of ATP in the Krebs cycle. Establishment of the hydrogen ion gradient in the Electron Transport System. Breakdown of glucose to pyruvic acid during glycolysis.Saccharomyces cerevisiae, known as brewer’s or baker’s yeast, is commonly utilized in the fermentation process of wines as it can tolerate high alcohol concentration and very low pH. How many molecules of ATP and carbon dioxide will be produced in one hour if one cell can uptake 200 sucrose molecules in 20 minutes? a. 400 ATP and 400 CO2 b. 800 ATP and 800 CO2 c. 1200 ATP and 1200 CO2 d. 2400 ATP and 2400 CO2
- In aerobic cellular respiration, which generates more ATP, substrate-level phosphorylation or oxidative-level phosphorylation? 1. substrate-level phosphorylation 2. oxidative-level phosphorylation 3. both generate the same amount of ATP 4. neither generates any ATP .How does cellular respiration differ in prokaryotes and eukaryotes? A. Eukaryotes perform reactions in mitochondria; prokaryotes use the plasma membrane. B. Eukaryotes use substrate-level ATP synthesis; prokaryotes use oxidative phosphorylation. C. Eukaryotes do not use oxygen; prokaryotes only use oxygen. D. Eukaryotes use NAD+/NADH as electron acceptors; prokaryotes use FAD+/FADH2.ATP synthase is dependent upon the ____________ of a ____________ gradient across a membrane. Select one: a. establishment, chlorine b. establishment, sodium c. establishment, proton d. destruction, proton e. destruction, proton