Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Question
Chapter 20.9, Problem 16P
Interpretation Introduction
Interpretation:
The structural difference in testosterone and in Dinabol has to be determined.
Concept Introduction:
Steroids:
- It contain a steroidal ring and fatty acid chain is absent in it.
- The nucleus of the steroid can be a fused ring consisting of six and five-membered ring with different functional groups.
Testosterone and dianabol are two important muscle building steroids.
Testosterone is a natural muscle-building steroid and dianabol is a synthetic muscle-building steroid.
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(a) Draw the structure of an estrogen and an androgen. (b) What structural features are similar in the two steroids? (c) What structural features are different? (d) Describe the biological activity of each steroid.
Illustrate your answer and explain your answer for better understanding.
Why is glycerine not optically active?
Chapter 20 Solutions
Essential Organic Chemistry (3rd Edition)
Ch. 20.1 - Prob. 1PCh. 20.2 - Prob. 2PCh. 20.2 - Prob. 3PCh. 20.2 - Draw the structure of an optically active fat...Ch. 20.4 - Prob. 6PCh. 20.4 - Prob. 7PCh. 20.4 - The membrane phospholipids in deer have a higher...Ch. 20.4 - Prob. 9PCh. 20.6 - Prob. 10PCh. 20.6 - Prob. 11P
Ch. 20.6 - Prob. 12PCh. 20.7 - Propose a mechanism for the biosynthesis of...Ch. 20.7 - Prob. 14PCh. 20.8 - Draw the individual 1,2-hydride and 1,2-methyl...Ch. 20.9 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - Cardiolipins are found in heart muscles. Draw the...Ch. 20 - Prob. 20PCh. 20 - 5-Androstene-3,17-dione is isomerized to...Ch. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Prob. 24PCh. 20 - Eudesmol is a sesquiterpene found in eucalyptus....
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- . What is a steroid? What basic ring structure 15 common to all steroids? Sketch an example of a steroid found in the body, and highlight the basic ring structure that makes the molecule a steroid.arrow_forwardHow are testosterone and progesterone structurally similar? How are they different?arrow_forwardWhat structure do all steroids have in common?arrow_forward
- 1. Which of the following are simple lipids? a) prostaglandins; e) oils; b) fats; f) sphyngolipids; c) steroids; g) sphingomyelins; d) waxes; h) terpenes?arrow_forwardAnswer the following :(i) Why is the use of aspartame limited to cold foods and drinks?(ii) How do antiseptics differ from disinfectants?(iii) Why do soaps not work in hard water?arrow_forwardWhich is true about the ß-lactam compounds? their pharmacophore has five-membered ring structure they work only on Gram-negative bacteria O they work as inhibitor in cell membrane synthesis O they are irreversible inhibitors of the bacterial serine proteasearrow_forward
- Illustrate your answer and explain your answer for better understanding.arrow_forwardAs a chef, you prepare a wide variety of foods daily. The following dishes all contain protein. What method (if any) has been used to denature the protein present in each food?(a) Charcoal-grilled steak(b) Pickled pigs’ feet(c) Meringue(d) Steak tartare (raw, chopped beef)(e) Salt porkarrow_forward1. Which of the following are saponifiable lipids? a) triacylglycerols; f) stepoids3; b) prostaglandins3B g) glycolipids; c) waxes;B h) terpenes; d) leukotrienes; i) phosphoglycerides; e) sphyngolipids; k) plasmalogens?arrow_forward
- Can different fatty acids form esters on the same glycerol molecule? Is it possible for a trans-fatty acid to be synthesized from a cis-fatty acid? if so how? How many hydroxyl groups does the Sphingomyelin backbone contain?arrow_forwardWhich of the following is the correct classification for the lipids shown below?arrow_forwardA lipid is any substance of biochemical origin that is soluble in water but insoluble in nonpolar solvents (() insoluble in both nonpolar solvents and water soluble in nonpolar solvents but insoluble in water soluble in both water and nonpolar solvents is always a solid at room temperaturearrow_forward
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