Chemical reactions that take place in living systems include A. Neutralization reaction B. Condensation reaction C. Hydrolysis reaction D. All the above
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A. Neutralization reaction
B. Condensation reaction
C. Hydrolysis reaction
D. All the above
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- The function of enzymes is to:a. accelerate reactions to change the final resultb. produce otherwise non-existing reactionsc. stall reactions that would have happened otherwised. balance the pH in chemical reactionse. provide energy to biochemical reactionsAll chemical reactions are theoretically reversible. However, many biological reactions are irreversible. Which factor(s) contribute to the irreversibility of biological reactions? a. high energy requirementsb. product removalc. state of chemical equilibriumd. a and be. a, b, and cAn atom that can donate electrons during a reaction is calleda. an oxidizing agentb. a reducing agentc. an ionic agentd. an electrolyte
- on Which of the following statements about enzymes is CORRECT? Select one:* O A. Enzymes slow down chemical reactions so that they occur properly O B. Enyzmes are carbohydrates OC. Enzymes are specific for their substrate O D. Enzymes cannot be reused A substrate is: Select one: O A. A molecule that dissolves in a solvent O B. The molecule an enzyme acts on OC. A dissolving substance in a solution а a L O DDiagrams like the one below are used to represent exothermic reactions. For instance, consider burning charcoal (which almost entirely pure element carbon). A=carbon and B=oxygen, when they react they form C=carbon dioxide. A little chemistry vocab: does substance C in the diagram represent a reactant or the product? Activation Energy A+B Reaction Progression EnergyThe statement that is not true about enzymes is...A. works optimally if it is in accordance with the required pHB. has active sites where enzyme reactions with substrates occurC. can work in all reaction temperature rangeD. can only work for certain reactionsE. is strongly influenced by reaction temperature
- Peptide bonds are formed via what type of reaction? A. Condensation B. Hydrolysis C. Oxidation-Reduction D. None of the aboveNavigator Help Wellness 3 4 3 4 5 6 7 В pH of reaction According to Figure 1.7 which enzyme is most likely found in a bacteria cell that could infect the stomach? Select one: O a. 3 O b. 2 O c. 4 O d. 1 Rate of reactic 2.Watera. is composed of two oxygen atoms and one hydrogen atom.b. has a low specific heat.c. is composed of polar molecules into which ionic substancesdissociate.d. is produced in a hydrolysis reaction.e. is a very small organic molecule.
- A chemical reaction has a Q10 of 3. Which rates characterize this reaction? a A rate of 9 at 40°C and 3 at 20°C b A rate of 6 at 30°C and 2 at 20°C c A rate of 12 at 10°C and 15 at 20°C d A rate of 6 at 20°C and 2 at 30°C e A rate of 9 at 20°C and 3 at 40°CA molecule that donates electrons becomes _________, and the one that accepts the electrons becomes ________ . a. reduced; oxidized c. oxidized; reduced b. ionic; electrified d. electrified; ionicA reducing chemical reaction: a. reduces the compound to a simpler form b. adds an electron to the substrate c. removes a hydrogen atom from the substrate d. is a catabolic reaction. With reason.
