10. Which of the following statements about enzymes is true? a. they are made of lipids and control the rate of chemical reactions b. they control the rate of chemical reactions by changing the temperature c. they catalyze reactions by increasing the activation energy d. they catalyze reactions by decreasing the activation energy e. they catalyze reactions by decreasing the concentration of solute 11. When the ambient room temperature is very high, such as 32 degrees Celsius, the body will lose thermal energy through which mechanism? a. Radiation b. Conduction c. Evaporation d. decreased metabolism e. increased metabolism

10. Which of the following statements about enzymes is true? a. they are made of lipids and control the rate of chemical reactions b. they control the rate of chemical reactions by changing the temperature c. they catalyze reactions by increasing the activation energy d. they catalyze reactions by decreasing the activation energy e. they catalyze reactions by decreasing the concentration of solute 11. When the ambient room temperature is very high, such as 32 degrees Celsius, the body will lose thermal energy through which mechanism? a. Radiation b. Conduction c. Evaporation d. decreased metabolism e. increased metabolism

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter6: Metabolism

Section: Chapter Questions

Problem 7RQ: Which of the following comparisons or contrasts between endergonic and exergonic reactions is false?...

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Similar questions

Which of the following comparisons or contrasts between endergonic and exergonic reactions is false? Endergonic reactions have a positive ?G and exergonic reactions have a negative ?G Endergonic reactions consume energy and exergonic reactions release energy Both endergonic and exergonic reactions require a small amount of energy to overcome an activation barrier Endergonic reactions take place slowly and exergonic reactions take place quickly.
The assembly of proteins from amino acids is best described as: a. a conversion of kinetic energy to potential energy reaction. b. an entropy reaction. c. a catabolic reaction. d. an anabolic reaction. e. an energy-free reaction.
Which of the following statements is not correct? a. Energy cannot be created or destroyed. b. Energy cannot change from one form to another. c. Energy rends to disperse spontaneously.
Which of the following methods is not used by enzymes to increase the rate of reactions? a. covalent bonding with the substrate at their active site b. bringing reacting molecules into close prosimity c. orienting reactants into positions to favor transition states d. changing charges on reactants to hasten their reactivity e. increasing fit of enzyme and substrate that reduces the energy of activation
1) Which of these is NOT a correct statement about enzymes? Group of answer choices Enzyme activity may require a non-protein component (cofactor). Enzymes catalyze chemical reactions and are reusable. Enzymes increase the activation energy (Eact) of reactions. Enzyme activity is affected by the environment (e.g., temperature and pH).
1. a) Fill in the blanks: a ____________ reaction is one that requires energy input, whereas a spontaneous reaction is one that _____________ energy. A spontaneous reaction is also called an ___________ reaction, whereas an endergonic reaction requires energy input. b) Briefly, why do living cells and organisms require an input of energy? c) How do animals like humans get their energy if they cannot obtain it directly from the sun like photosynthetic organisms? How do bacteria obtain energy? d) Chemical energy is the form of energy we will discuss. Where is the chemical energy stored in a molecule of glucose?
1-sketched a graph to show what I think the effect of temperature will be on the rate of reaction (the effect of temperature on enzyme activity) 2-describe in words what you predict the effect of temperature will be on the rate of reaction
1. What is the significance of the effect of enzyme concentration to enzyme activity in relation to the medical aspect? a. A person with fever cannot eat well and may suffer from indigestion b. A person with hyperacidicity experience vomiting upon taking milk c. Abnormal level of diagnostic enzymes indicate damage in the body tissues d. Too much hydrogen peroxide in the body forms free radicals if not decomposed by peroxidase 2. What is the relation of the effect of temperature on enzyme activity to the medical field? a. To explain the cause why a feverish person cannot eat b. To explain why drinking carbonated leaves a fizzing sensation in our tongue c. To explain the cause why milk should not be taken by hyperacidic individual d. To explain why bubbles are formed when cleaning wounds with hydrogen peroxide 3. What reaction was involved in the determination of Vitamin C content of fruits? a. Oxidation…
1) Answer the following questions about a Vegetarian diet: a) List Pros and Cons of being on the diet. b) List any possible misconceptions that may have been verified or nullified by scientific articles for this diet. c) What biochemical pathway would this diet target?
4. You decided to have a slice of white bread for breakfast. Explain WHERE and HOW the starch (carbohydrate) is CHEMICALLY digested in your body. (Hint: be sure to mention all of the enzymes and their functions that are involved) 2. A mother had some antibiotic leftover from fighting a throat infection. She administered them to her son when he developed a cold. Explain what was wrong with this practice. You notice that some meat in the refrigerator has a strange odor and suspect that it has been contaminated with bacteria. You remember that heat will kill bacteria, so you go ahead and cook it. What is wrong with this practice?
1. What are the differences classification of enzymes? List 5 classification of enzymes and cite their functions.
1. What is the significance of the effect of pH to enzyme activity in relation to the medical aspect? a. A person with fever cannot eat well and may suffer from indigestion b. A person with hyperacidicity experience vomiting upon taking milk c. Abnormal level of diagnostic enzymes indicate damage in the body tissues d. Too much hydrogen peroxide in the body forms free radicals if not decomposed by peroxidase 2. A denatured protein has intact peptide bonds. True or False 3. What force of interaction was cleaved in the addition of a reducing agent to the protein sample? a. Disulfide bonds b. hydrogen bond c. hydrophobic interactions d. ionic bond 4. Which does not refer to protein denaturation? a. Unfolding of structure b. Folding of structure c. Disruption of bonds d. Destroy of its structure 5. The substrate concentration and the enzyme activity has a linear relationship as long as…