Amino acids are carried to the ribosome attached to molecules called _______. c. Enzymes speed up chemical reactions. List and describe factors that affect the rate of an enzyme reaction. c. has an activity that is not affected by its three-d... A molecular subunit used to build a macromolecule. Which of the following do NOT affect enzyme activity? […] Played 0 times. b. decreases the triangle G of a reaction. (a) stomach (b) small intestine (c) mouth (d) large intestine. Free PDF. 3. The maximum speed at which product is converted to substrate b. a) Protein b) Lipid c) Carbohydrate d) Amino Acid. When hydrogen peroxide, H 2 O 2 , is used as an antiseptic on open wounds, bubbles form as a result of the following chemical reaction. Why is the DNA polymerase in our human bodies so efficient? Describe three factors that influence how an enzyme functions. 1) Based on the temperature at optimum activity for the enzyme above (graph A), in what type of organism is this enzyme most likely … All enzymes are proteins. In the presence of alcohol dehydrogenase, the conversion of acetaldehyde to ethanol increases as the concentration of acetaldehyde is increased. B. Main points only which address the question. A) Add nucleotides to DNA strand B) Unwind DNA strands C) Relieve tension in the DNA strand D) Stabilize free DNA strands E) More than one of the above, What is ATP synthase? 2. lower the amount of activation energy needed for a reaction to take place. A) substrate B) active site C) activation energy D) enzyme. a. catalyst. Which of the following enzymes breaks down starch? Explain what is wrong with each incorrect statement. a. Ans:      These enzymes caulk ie biological oxidations and reductions.They are further subdivided into oxidases, peroxidases, catalases, dehydrogenases and reductase. It cleaves DNA into fragments at or near specific recognition sites within the molecule known as restriction sites. But it needs higher amount of activation energy. Which of the following replaces mismatched nucleotides during proofreading exonuclease activity in bacteria? Biology. (a) glucose (b) disaccharides (i.e. A cofactor that is an organic molecule is called a(n) _______. How are they related? Why is the Michaelis-Menten equation important? d. an active site. Explain why mismatches are rare after DNA replication. B c. C a) magnesium b) calcium c) chloride d) sodium e) potassium. It needs to absorb nutrients to make energy for the body. Describe the relationship between catalase and hydrogen peroxide. AP Biology Questions on Enzyme Activity. All enzymes work best at a neutral pH. It increases it. The actise cut) me ss ith attached prosthetic group is called holoenzy me. The chemical digestion of starch begins in the mouth. a. Carbohydrate b. Which of the following is found in the nucleus of every human cell and contains a record of all the instructions needed to make a human? a. Raises the temperature of the reaction c. Lowers the energy of activation d. Lowers the temperature of th... What are the differences and similarities between cDNA and mRNA? How does this enzyme work? A. Enzymes increase the rate of chemical reaction by lowering activation energy barriers. ... Control the pace so everyone advances through each question together. B) Enzymes are inactivated due to denaturation. b) is permanently changed during a chemical reaction. Test your understanding with practice problems and step-by-step solutions. What is this concentration in terms of ppm? Browse through all study tools. Some are simple one-sentence answers, others require one or two paragraph answers. A = {\matrix{ { - 6} & { - 5} & 7 \cr 8 & { - 2} & { - 8} \cr 5 & 4 & { - 8} \cr } }, Find the cofactors C_{iy} for the first row of the matrix A, and then find the determinant. An enzyme will only work on a specific ______. What function does it serve in the human body? A. proteins B. vitamins C. genes D. fats. a. the flow of oxygen ions through it. ADVERTISEMENTS: Here is a compilation of important objective type and fill in the blanks questions on Carbohydrates. Enzyme lowers the activation of energy. c. is remote from the site of substrate attachment. Explain how during enzyme catalysis the transition state is stabilized providing binding energy that is used to lower the activation energy. a. because they are proteins b. because they can evade the laws of thermodynamics c. because they allow reactions to occur at body temperature. The location on the enzyme where the substrate attaches is called the: A. 37 Full PDFs related to this paper. Which of the following statements about enzymes is false? Describe how the enzyme ATP synthase uses the proton motive force to produce ATP during the electron transport chain? Interpret how environmental conditions impact enzyme activity. b. topoisomerase II. Ans: These enzymes link two molecules along with the breakdown of a pyrophosphate bond (PP). Edit. Give three possible reasons. a. absolute specificity b. relative specificity c. stereospecificity d. no specificity. 2. lteaford. (b) What role does it play in enzyme activity? b. lower the energy of the substrate. a. uses less substrate b. produces different products c. occurs at a faster rate d. requires more energy e. requires a higher tem... What is the general equation for enzyme catalyzed reaction? Is the statement true or false? Allosteric regulation and feedback loops. ''Mutations are mismatched base pairs that are corrected by DNA polymerases''. 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