Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 1, Problem 42RE
REFLECT AND APPLY The existence of organelles in eukaryotic cells represents a higher degree of organization than that found in prokaryotes. How does this affect the entropy of the Universe?
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Chapter 1 Solutions
Biochemistry
Ch. 1 - RECALL State why the following terms are important...Ch. 1 - RECALL Match each entry in Column a with one in...Ch. 1 - RECALL Identify the functional groups in the...Ch. 1 - REFLECT AND APPLY In 1828, Wohler was the first...Ch. 1 - REFLECT AND APPLY A friend who is enthusiastic...Ch. 1 - REFLECT AND APPLY Does biochemistry differ from...Ch. 1 - REFLECT AND APPLY An earlier mission to Mars...Ch. 1 - REFLECT AND APPLY Common proteins are polymers of...Ch. 1 - REFLECT AND APPLY Nucleic acids are polymers of...Ch. 1 - REFLECT AND APPLY RNA is often characterized as...
Ch. 1 - REFLECT AND APPLY Why is the development of...Ch. 1 - REFLECT AND APPLY What are two major advantages of...Ch. 1 - REFLECT AND APPLY Why was the development of a...Ch. 1 - REFLECT AND APPLY Comment on RNAs role in...Ch. 1 - REFLECT AND APPLY Do you consider it a reasonable...Ch. 1 - RECALL List five differences between prokaryotes...Ch. 1 - RECALL Do the sites of protein synthesis differ in...Ch. 1 - REFLECT AND APPLY Assume that a scientist claims...Ch. 1 - RECALL Draw an idealized animal cell, and identify...Ch. 1 - RECALL Draw an idealized plant cell, and identify...Ch. 1 - RECALL What are the differences between the...Ch. 1 - RECALL Which organelles are surrounded by a double...Ch. 1 - RECALL Which organelles contain DNA?Ch. 1 - RECALL Which organelles are the sites of...Ch. 1 - RECALL State how the following organelles differ...Ch. 1 - RECALL List the five kingdoms into which living...Ch. 1 - RECALL Which of the five kingdoms consist of...Ch. 1 - RECALL How does the five-kingdom classification...Ch. 1 - REFLECT AND APPLY What are the advantages of being...Ch. 1 - REFLECT AND APPLY Mitochondria and chloroplasts...Ch. 1 - REFLECT AND APPLY Fossil evidence indicates that...Ch. 1 - RECALL Which processes are favored: those that...Ch. 1 - RECALL Does the thermodynamic term spontaneous...Ch. 1 - BIOCHEMICAL CONNECTIONS For the process...Ch. 1 - RECALL Which of the following are spontaneous...Ch. 1 - REFLECT AND APPLY In which of the following...Ch. 1 - REFLECT AND APPLY Why is it necessary to specify...Ch. 1 - REFLECT AND APPLY Why is the entropy of a system...Ch. 1 - REFLECT AND APPLY A reaction at 23C has G=1kJmol1....Ch. 1 - REFLECT AND APPLY Urea dissolves very readily in...Ch. 1 - REFLECT AND APPLY Would you expect the reaction...Ch. 1 - REFLECT AND APPLY The existence of organelles in...Ch. 1 - REFLECT AND APPLY Why is it advantageous for a...Ch. 1 - REFLECT AND APPLY Which would you expect to have a...Ch. 1 - REFLECT AND APPLY How would you modify your answer...Ch. 1 - REFLECT AND APPLY Would it be more or less likely...Ch. 1 - REFLECT AND APPLY What thermodynamic...Ch. 1 - REFLECT AND APPLY If cells of the kind we know...Ch. 1 - REFLECT AND APPLY The process of protein folding...Ch. 1 - REFLECT AND APPLY In biochemistry, the exergonic...
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- REFLECT AND APPLY What are the advantages of being eukaryotic (as opposed to prokaryotic)?arrow_forwardREFLECT AND APPLY Comment on the evolutionary implications of the differences in the genetic code observed in mitochondria.arrow_forwardREFLECT AND APPLY RNA is often characterized as being the first biologically active molecule. What two properties or activities does RNA display that are important to the evolution of life? Hint: Neither proteins nor DNA have both of these properties.arrow_forward
- REFLECT AND APPLY Assume that a scientist claims to have discovered mitochondria in bacteria. Is such a claim likely to prove valid?arrow_forwardREFLECT AND APPLY Mitochondria and chloroplasts contain some DNA, which more closely resembles prokaryotic DNA than (eukaryotic) nuclear DNA. Use this information to suggest how eukaryotes may have originated.arrow_forwardREFLECT AND APPLY Would it be more or less likely that cells of the kind we know would evolve on a gas giant such as the planet Jupiter?arrow_forward
- REFLECT AND APPLY Some viruses can undergo lysis or lysogeny even in the same host. What might be a reason for this? Under what conditions might the virus favor the one strategy over the other?arrow_forwardREFLECT AND APPLY A membrane consists of 50% protein by weight and 50% phosphoglycerides by weight. The average molecular weight of the lipids is 800 Da, and the average molecular weight of the proteins is 50,000 Da. Calculate the molar ratio of lipid to protein.arrow_forwardREFLECT AND APPLY How would protein synthesis be affected if a single codon could specify the incorporation of more than one amino acid (an ambiguous code)?arrow_forward
- REFLECT AND APPLY Why was the development of a coding system important to the development of life?arrow_forwardREFLECT AND APPLY The process of protein folding is spontaneous in the thermodynamic sense. It gives rise to a highly ordered conformation that has a lower entropy than the unfolded protein. How can this be?arrow_forwardREFLECT AND APPLY Suggest a reason why the cell membranes of bacteria grown at 20C tend to have a higher proportion of unsaturated fatty acids than the membranes of bacteria of the same species grown at 37C. In other words, the bacteria grown at 37C have a higher proportion of saturated fatty acids in their cell membranes.arrow_forward
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