Organic Chemistry

Section 26.10 Biosynthesis of Cholesterol 027 Konrad Blochand Feodor Lynen shared the 1964 Nobel Prize in physiology or medicine ...

028 CHAPTER 26 Lipids 26.11 Synthetic Steroids The potent physiological effects of steroids led scientists, in their search for ...

Problems 029 Key Terms adrenal cortical steroids (p. 024) anabolic steroids (p. 028) androgens (p. 025) angular methyl group (p. ...

030 CHAPTER 26 Lipids Nutmeg contains a simple, fully saturated triacylglycerol with a molecular weight of 722. Draw its struct ...

Problems 031 Both OH groups of one of the following steroid diols react with excess ethyl chloroformate, but only one OH group ...

I n previous chapters, we studied two of the three major kinds of biopolymers—polysaccharides and proteins. Now we will look at ...

Section 27.1 Nucleosides and Nucleotides 033 THE STRUCTURE OF DNA: WATSON, CRICK, FRANKLIN, AND WILKINS James D. Watson was born ...

The vast differences in heredity among species and among members of the same species are determined by the sequence of the bases ...

Section 27.1 Nucleosides and Nucleotides 035 CH 3 H 2 N 2 ′-deoxyadenosine N N 1 ′ 3 ′ 2 ′ 4 ′ 5 ′ N N NH 2 2 ′-deoxyguanosine N ...

036 CHAPTER 27 Nucleosides, Nucleotides, and Nucleic Acids Because phosphoric acid can form an anhydride, nucleotides can exist ...

Section 27.2 ATP: The Carrier of Chemical Energy 037 3-D Molecules: Adenosine -triphosphate (ATP) 5 ¿ (^1) The prime in indicate ...

038 CHAPTER 27 Nucleosides, Nucleotides, and Nucleic Acids Although the phosphorylation of glucose is described as being driven ...

Section 27.3 Three Mechanisms for Phosphoryl Transfer Reactions 039 27.3 Three Mechanisms for Phosphoryl Transfer Reactions Ther ...

040 CHAPTER 27 Nucleosides, Nucleotides, and Nucleic Acids If the carboxylate ion attacks the -phosphorus of ATP, an acyl pyroph ...

Section 27.4 The “High-Energy” Character of Phosphoanhydride Bonds 041 on the enzyme catalyzing the reaction (Section 27.5). Mec ...

042 CHAPTER 27 Nucleosides, Nucleotides, and Nucleic Acids 2.More solvation in the products. Negatively charged ions are stabili ...

Section 27.6 Other Important Nucleotides 043 lysine arginine NH 2 N N N N O H O H HN C N Mg^2 + NH 2 + H H H N+ O− −O P O O O− P ...

a trinucleotide OH A 5 ′ 5 ′ 5 ′ 3 ′ 3 ′ 3 ′ CG P P P a 5′-triphosphate group a 3′-hydroxyl group 044 CHAPTER 27 Nucleosides, Nu ...

Section 27.7 The Nucleic Acids 045 O O CH 2 O− −O P O O O− P O O− O P 5 ′-end 5 ′ 3 ′ 3 ′-end a phosphoester bond a phosphoester ...

046 CHAPTER 27 Nucleosides, Nucleotides, and Nucleic Acids a. b. c. Figure 27.7 (a) The DNA double helix. (b) View looking down ...