Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 6, Problem 10TYU
FOCUS ON EVOLUTION
A recent revival of the antievolutionary “intelligent design” argument holds that biochemical pathways are too complex to have evolved, because all intermediate steps in a given pathway must be present to produce the final product. Critique this argument. How could you use the diversity of
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1. Carbon dioxide +Water+ Energy → Sugar + Oxygen
2. Sugar + Oxygen → Water + Carbon Dioxide + Energy
the second reaction shown here (cellular respiration), which of these descriptions compares the products and reactants
The process produces ADP as a product, which has a lower energy level
compared to the reactants.
The process produces inorganic molecules only, which have a lower energy
level compared to the products.
The process produces ATP as a product, which provides a greater cellular
energy compared to the reactants.
The process produces heat energy as a byproduct, which causes the
reactants to be less energetic compared to the products.
Carbon Dloxide Production in Snails & Elodea
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Chapter 6 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 6.1 - MAKE CONNECTIONS How does the second law of...Ch. 6.1 - Describe the forms of energy found in an apple as...Ch. 6.2 - Cellular respiration uses glucose and oxygen,...Ch. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.3 - How does ATP typically transfer energy from...Ch. 6.3 - Prob. 2CCCh. 6.3 - MAKE CONNECTIONS Does Figure 6.10a show passive or...Ch. 6.4 - Many spontaneous reactions occur very slowly. Why...Ch. 6.4 - Why do enzymes act only on very specific...
Ch. 6.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 6.5 - How do an activator and an inhibitor have...Ch. 6 - Choose the pair of terms that correctly completes...Ch. 6 - Prob. 2TYUCh. 6 - Which of the following metabolic processes can...Ch. 6 - If an enzyme in solution is saturated with...Ch. 6 - Some bacteria are metabolically active in hot...Ch. 6 - If an enzyme is added to a solution where its...Ch. 6 - DRAW IT Using a series of arrows, draw the...Ch. 6 - SCIENTIFIC INQUIRY DRAW IT A researcher has...Ch. 6 - SCIENCE, TECHNOLOGY, AND SOCIETY Organophosphates...Ch. 6 - FOCUS ON EVOLUTION A recent revival of the...Ch. 6 - FOCUS ON ENERGY AND MATTER Life requires energy....Ch. 6 - SYNTHESIZE YOUR KNOWLEDGE Explain what is...
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- Would you describe metabolic pathways as inherently wasteful or inherently economical, and why?arrow_forwardEnzymes are catalysts that greatly increase the rates of biochemical reactions. They convert substrate molecules (S) to product molecules (P) in the reaction SP by functioning in which way? O increase the free energy of the subutrate meilecuiles increase the free energy of activation of the reaction O decrease the free energy of activation for the reaction O increase the free energy released by the reactionarrow_forwardas Liebig's chemical theory. He formulated his own theory arguing that the production of alcohol was not a biological process but a chemical process. It disputed the idea that fermentation could happen due to microscopic organisms like the yeast as previously contested by Schwann. Liebig assumed that activities coming from the decomposition of organic matter would proceed to the conversion of sugar to carbon dioxide and alcohol only. Then in the middle of 18th Century, Louis Pasteur opposed Liebig' chemical theory. In Pasteur's experiment, he showed that fermentation is highly dependent on the bodily functions that occur in bacteria and in living yeast cells, He wrote that "alcoholic fermentation (Figure 2.4 is an act associated with the life and organization of the yeast cells, not with the death or putrefaction of the cells" themselves." He was highly recognized due this work. From here, the view on the chemistry of life can be distinguished from the chemistry of nonliving things.…arrow_forward
- Can someon make this into a modelarrow_forwardBeadle and Tatum proposed the one gene-one enzyme concept - This hypothesis can now be restated in which of the following ways? A given sequence of DNA nucleotides contains information to make one enzyme Each gene contains information to make one protein, one lipid and one carbohydrate Each gene is actually an enzyme that catalyzes the production of one protein Each polypeptide is the result of the activity of one enzymearrow_forwardThe use of free energy released from ATP hydrolysis to drive synthesis of a polymer is best called Select one: O A. cooperativity O B. chemiosmosis O C. allosteric regulation O D. feedback inhibition O E. energy couplingarrow_forward
- A hypothetical three-step metabolic pathway consists of intermediates W, X, Y, and Z and enzymes A, B, and C. Deduce the order of the enzymatic steps in the pathway from the following information: 1. Compound Q, a metabolic inhibitor of enzyme B, causes Z to build up. 2. A mutant in enzyme C requires Y for growth. 3. An inhibitor of enzyme A causes W, Y, and Z to accumulate. 4. Compound P, a metabolic inhibitor of enzyme C, causes W and Z to build up.arrow_forwardY5arrow_forwardWhich of the following is true when a normal biosynthetic pathway is blocked? O The organism can often make the necessary compounds by using the reverse of the blocked synthetic pathway. O The organism can never make the necessary compounds by using the reverse of the blocked synthetic pathway. O The organism can always make the necessary compounds by using the reverse of the blocked synthetic pathway. O The organism will always die. - Previous Nextarrow_forward
- In a two-stage biological system reaction which goes through an intermediate: (select all that applies) Reactants⟶Intermediate⟶Product Group of answer choices The rate-determining step is the one with the highest activation energy The rate-determining step is the one with the lowest activation energy The intermediate is the same thing as the transition state The product always has a lower energy level than the reactantsarrow_forwardFigure 6.10 If no activation energy were required to break down sucrose (table sugar), would you be able to store it in a sugar bowl? Gibbs Free Energy EXERGONIC REACTION: &G<0 Reaction is spontaneous Activation energy of uncatalyzed reaction Activation enerGYO ▶ catalyzed reaction Figure 6.10 Activation energy is the energy required for a reaction to proceed, and it is lower if the reaction is catalyzed. This diagram's horizontal axis describes the sequence of events in time.arrow_forwardWhich of the following statements is not true? Metabolic pathways _____. a. occur in a stepwise series of chemical reactions b. are speeded up by enzymes c. may break down or assemble molecules d. always produce energy (such as ATP)arrow_forward
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