Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 33RE
REFLECT AND APPLY Suggest a reason why the same protein system moves both sodium and potassium ions into and out of the cell.
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Chapter 8 Solutions
Biochemistry
Ch. 8 - RECALL Proteins, nucleic acids, and carbohydrates...Ch. 8 - RECALL What structural features do a...Ch. 8 - RECALL Draw the structure of a phosphoacylglycerol...Ch. 8 - RECALL What structural features do a sphingomyelin...Ch. 8 - RECALL You have just isolated a pure lipid that...Ch. 8 - RECALL What structural features does a...Ch. 8 - RECALL Write the structural formula for a...Ch. 8 - RECALL How does the structure of steroids differ...Ch. 8 - Prob. 9RECh. 8 - REFLECT AND APPLY Which is more hydrophilic,...
Ch. 8 - Prob. 11RECh. 8 - REFLECT AND APPLY Succulent plants from arid...Ch. 8 - REFLECT AND APPLY In the produce department of...Ch. 8 - REFLECT AND APPLY Egg yolks contain a high amount...Ch. 8 - REFLECT AND APPLY In the preparation of sauces...Ch. 8 - REFLECT AND APPLY When water birds have had their...Ch. 8 - RECALL Which of the following lipids are not found...Ch. 8 - RECALL Which of the following statements is (are)...Ch. 8 - REFLECT AND APPLY Why might some food companies...Ch. 8 - Prob. 20RECh. 8 - BIOCHEMICAL CONNECTIONS Crisco is made from...Ch. 8 - BIOCHEMICAL CONNECTIONS Why does the American...Ch. 8 - REFLECT AND APPLY In lipid bilayers, there is an...Ch. 8 - Prob. 24RECh. 8 - REFLECT AND APPLY Suggest a reason why the cell...Ch. 8 - REFLECT AND APPLY Suggest a reason why animals...Ch. 8 - REFLECT AND APPLY What is the energetic driving...Ch. 8 - Prob. 28RECh. 8 - RECALL How can fluorescence techniques be used to...Ch. 8 - Prob. 30RECh. 8 - Prob. 31RECh. 8 - REFLECT AND APPLY A membrane consists of 50%...Ch. 8 - REFLECT AND APPLY Suggest a reason why the same...Ch. 8 - REFLECTANDAPPLY Suppose that you are studying a...Ch. 8 - REFLECT AND APPLY Which statements are consistent...Ch. 8 - RECALL What role does phosphorylation of tyrosine...Ch. 8 - Prob. 37RECh. 8 - REFLECT AND APPLY Suggest a reason why inorganic...Ch. 8 - REFLECT AND APPLY Which statements are consistent...Ch. 8 - RECALL What happens to the human growth hormone...Ch. 8 - Prob. 41RECh. 8 - RECALL What is the structural relationship between...Ch. 8 - Prob. 43RECh. 8 - RECALL What are isoprene units? What do they have...Ch. 8 - Prob. 45RECh. 8 - Prob. 46RECh. 8 - Prob. 47RECh. 8 - Prob. 48RECh. 8 - Prob. 49RECh. 8 - Prob. 50RECh. 8 - REFLECT AND APPLY A health-conscious friend asks...Ch. 8 - Prob. 52RECh. 8 - Prob. 53RECh. 8 - Prob. 54RECh. 8 - REFLECT AND APPLY List two classes of compounds...Ch. 8 - BIOCHEMICAL CONNECTIONS Outline a possible...
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- REFLECT AND APPLY Comment on the energetics of protein folding in light of the information in this chapter.arrow_forwardREFLECT AND APPLY Outline the methods you would use to pro- duce human growth hormone (a substance used in the treatment of dwarfism) in bacteria.arrow_forwardREFLECT AND APPLY Is the following statement true or false? Why? The flow of genetic information in the cell is always DNARNAprotein.arrow_forward
- REFLECT AND APPLY Would you expect mRNA or rRNA to be degraded more quickly in the cell? Why?arrow_forwardREFLECT AND APPLY How can different time scales for response be achieved in control mechanisms?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_forward
- REFLECT AND APPLY What is the energy cost per amino acid in prokaryotic protein synthesis? Relate this to low entropy.arrow_forwardREFLECT 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 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_forward
- REFLECT AND APPLY Suggest a reason why inorganic ions, such as K+,Na+,Ca2+,andMg2+, do not cross biological membranes by simple diffusion.arrow_forwardREFLECT AND APPLY The fidelity of protein synthesis is assured twice during protein synthesis. How and when?arrow_forwardREFLECT AND APPLY The enzyme D-amino acid oxidase has a very high turnover number because the D-amino acids are potentially toxic. The KM for the enzyme is in the range of 1 to 2 mM for the aromatic amino acids and in the range of 15 to 20 mM for such amino acids as serine, alanine, and the acidic amino acids. Which of these amino acids are the preferred substrates for the enzyme?arrow_forward
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