Microbes that swim with flagella use energy from ATP to make their flagella rotate. This process is an example of a conversion of ____________ energy into ____________ energy. Kinetic into heat Chemical into kinetic Kinetic into potential Chemical into heat
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- Explain the following term, be sure to include energy requirements for each process and a biological example of each process: Simple diffusionExplain using terms related to equilibrium and free energy why a microorganism that gets its energy from a nonspontaneous reaction under standard conditions may actually be able to survive in a specific environment. Be clear and concise in four sentences or fewer..This question is only semi-random, it does relate to something said in the video. You must supply energy to start combustion reactions: you must drag a match across a rough surface to get it to light, the heat from a lit match or lighter is required to start charcoal burning, gas stoves often use an electric spark to ignite the methane (natural gas), etc. The fact that you must supply energy to get these reactions started is evidence of activation energy specific heat exoothermic reaction
- Select the correct statement regarding electrochemical gradients. Thermodynamically, electrochemical gradients will maintain their relative concentrations across both sides of the membrane. The cytoplasmic side of the cell membrane has a net positive charge relative to the extracellular side. Ions can freely pass through the cell membrane. Electrochemical gradients are sources of potential energy due to the differences in concentrationsand charge across both sides of the cell membrane. Select the correct statement(s) about transfer RNAs. Codon recognition occurs through specific base-pairing by the anticodon arm. Amino acids are linked to the T-loop. They are transcribed by RNA Polymerase III. There is strict matching requirements at the third position, else the tRNA cannot interact with the codon.Explain the following term, be sure to include energy requirements for each process and a biological example of each process: active transportIn hepatocytes, the enzyme glucokinase catalyzes the ATP-coupled phosphorylation of glucose. Glucokinase binds both ATP and glucose, forming a glucose-ATP-enzyme complex. The enzyme then transfers the phosphoryl group directly from ATP to glucose. Select the advantages of phosphoryl group transfer compared to hydrolysis and subsequent phosphorylation? ATP hydrolysis is thermodynamically unfavorable compared to group transfer. Glucokinase increases the transition state energy, favoring glucose phosphorylation. The process takes advantage of the high phosphoryl group transfer potential of ATP. Reaction intermediates do not need to be present in excess. Incorrect
- An image of the electron transport chain is shown below. Which of the following statements about the electron transport chain is true? Choose the best answer. Protein complex of electron carriers H+ NADH (carrying electrons from food) Copyright © 2018 Pearson Canada Inc. NAD+ H+ III FADH₂ FAD Cyt c IV 2 H+ + 1/2O₂ 1 Electron transport chain H+ H₂O All of the other options are correct. Electrons have higher free energy when present in ubiquinone (shown as Q) than they do when they are present in cytochrome c (shown as Cyt c). The transport of protons from the mitochondrial matrix to the intermembrane space occurs by facilitated diffusion. Complex I and cytochrome c (shown as Cyt c) are peripheral membrane proteins.For each of the statements below about the dUTPase enzyme, mark whether it is true or false. If it is false, change the language to make the statement true. _______If the dUTPase enzyme is the rate determining step in a larger metabolic pathway, the reaction likely lies near to equilibrium and is irreversible. _______For the dUTPase reaction, it is not likely that DG’ = DG°’ _______ dUTPase has a higher affinity for its substrate than for its product, but both of these are higher than the affinity for the transition state _______Kinetic analysis of dUTPase using Michaelis-Menten methods assumes that the formation of the E*S complex has a large negative value for DGIn which of the following conditions is the Gibbs free energy negative? O reaction is at equilibrium process is spontaneous O reaction is exothermic O process is not spontaneous
- Three organisms were tested biochemically for their production of energy, and various compounds were measured in each organism. The amounts found are shown in relative units. Please identify what each organism is and explain why. Thanks! (chart photo attatched)Which of the following describes the correct order of energy conversions necessary to form electricity from bioenergy? O Chemical → Kinetic – Heat → Electric O Chemical → Heat → Kinetic Electric O Solar → Heat → Chemical → Kinetic → Electric Solar → Chemical → Heat → Kinetic → ElectricWhich two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Step No. __________________ Enyzme____________________ Step No. __________________ Enzyme____________________ Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Step No.__________________ Enzyme ____________________ Step No._________________ Enzyme _____________________ Which glycolytic reaction generates energy in the form of NADH, and which enzymes catalyzes the reaction? Step No.____________________ Enzyme ______________________ Step No.____________________ Enzyme ______________________