General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
5th Edition
ISBN: 9780321967466
Author: Karen C. Timberlake
Publisher: PEARSON
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Chapter 20, Problem 20.49UTC
Interpretation Introduction

a)

To Determine:

The gelatin can be added to the canned pineapple, but not to the fresh one.

Expert Solution
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Explanation of Solution

New pineapple contains Bromelain compounds, which is a proteolytic enzyme. The gelatin is a protein, which can be degraded by the proteolytic enzyme, hence, it cannot be used with the raw pineapple. In the case of the canned pineapple, the pineapple is preheated, which cause the deactivation of the bromelain. Hence, it can be added to the canned pineapple.

Interpretation Introduction

b)

To Determine:

The fresh pineapple juice can be used to tenderize milk.

Expert Solution
Check Mark

Explanation of Solution

The tenderizing of meat is done by the breaking down of the collagen. This can be achieved by the treatment of the meat with the proteolytic enzyme present in the pineapple.

Conclusion

a) In the raw pineapple, the proteolytic enzyme is present, which can react with the gelatin. The canned pineapple has deactivated bromelain, which cannot react with the gelatin.

b) The proteolytic enzyme of the fresh pineapple tenderizes the meat.

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(11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B Bond A Bond C a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. Weakest Bond Strongest Bond b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. c. (5pts) Use principles discussed in lecture, supported by relevant structures, to succinctly explain the why your part b (i) radical is more stable than your part b(ii) radical. Written explanation can be no more than one-two succinct sentence(s)!

Chapter 20 Solutions

General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Ch. 20.2 - Prob. 20.11QAPCh. 20.2 - Prob. 20.12QAPCh. 20.2 - Prob. 20.13QAPCh. 20.2 - Prob. 20.14QAPCh. 20.2 - Prob. 20.15QAPCh. 20.2 - Prob. 20.16QAPCh. 20.2 - Prob. 20.17QAPCh. 20.2 - Prob. 20.18QAPCh. 20.2 - Prob. 20.19QAPCh. 20.2 - Prob. 20.20QAPCh. 20.3 - Prob. 20.21QAPCh. 20.3 - Prob. 20.22QAPCh. 20.3 - Prob. 20.23QAPCh. 20.3 - Prob. 20.24QAPCh. 20.4 - Prob. 20.25QAPCh. 20.4 - 20.26 What is the difference between a negative...Ch. 20.4 - Prob. 20.27QAPCh. 20.4 - Prob. 20.28QAPCh. 20.4 - Prob. 20.29QAPCh. 20.4 - Prob. 20.30QAPCh. 20.4 - Prob. 20.31QAPCh. 20.4 - Prob. 20.32QAPCh. 20.5 - Prob. 20.33QAPCh. 20.5 - Prob. 20.34QAPCh. 20.5 - Prob. 20.35QAPCh. 20.5 - Prob. 20.36QAPCh. 20.6 - Prob. 20.37QAPCh. 20.6 - Prob. 20.38QAPCh. 20.6 - Prob. 20.39QAPCh. 20.6 - Prob. 20.40QAPCh. 20.6 - Prob. 20.41QAPCh. 20.6 - Prob. 20.42QAPCh. 20.6 - Prob. 20.43QAPCh. 20.6 - Prob. 20.44QAPCh. 20.6 - Prob. 20.45QAPCh. 20.6 - Prob. 20.46QAPCh. 20.6 - Prob. 20.47QAPCh. 20.6 - Prob. 20.48QAPCh. 20 - Prob. 20.49UTCCh. 20 - Prob. 20.50UTCCh. 20 - Prob. 20.51UTCCh. 20 - Prob. 20.52UTCCh. 20 - Prob. 20.53AQAPCh. 20 - Prob. 20.54AQAPCh. 20 - Prob. 20.55AQAPCh. 20 - Why do enzymes function only under mild...Ch. 20 - Prob. 20.57AQAPCh. 20 - Prob. 20.58AQAPCh. 20 - Prob. 20.59AQAPCh. 20 - Prob. 20.60AQAPCh. 20 - Prob. 20.61AQAPCh. 20 - Prob. 20.62AQAPCh. 20 - Prob. 20.63AQAPCh. 20 - Prob. 20.64AQAPCh. 20 - Prob. 20.65AQAPCh. 20 - Prob. 20.66AQAPCh. 20 - Prob. 20.67AQAPCh. 20 - Prob. 20.68AQAPCh. 20 - Prob. 20.69AQAPCh. 20 - Prob. 20.70AQAPCh. 20 - Prob. 20.71AQAPCh. 20 - Prob. 20.72AQAPCh. 20 - Prob. 20.73AQAPCh. 20 - Prob. 20.74AQAPCh. 20 - Prob. 20.75AQAPCh. 20 - Prob. 20.76AQAPCh. 20 - Prob. 20.77AQAPCh. 20 - Prob. 20.78AQAPCh. 20 - Prob. 20.79AQAPCh. 20 - Prob. 20.80AQAPCh. 20 - Which of the following statements describe an...Ch. 20 - Prob. 20.82AQAPCh. 20 - Prob. 20.83AQAPCh. 20 - Prob. 20.84AQAPCh. 20 - Prob. 20.85AQAPCh. 20 - Prob. 20.86AQAPCh. 20 - Prob. 20.87AQAPCh. 20 - Prob. 20.88AQAPCh. 20 - Prob. 20.89AQAPCh. 20 - Prob. 20.90AQAPCh. 20 - Prob. 20.91AQAPCh. 20 - Prob. 20.92AQAPCh. 20 - Prob. 20.93AQAPCh. 20 - Prob. 20.94AQAPCh. 20 - Prob. 20.95AQAPCh. 20 - Prob. 20.96AQAPCh. 20 - Prob. 20.97CQCh. 20 - Prob. 20.98CQCh. 20 - Prob. 20.99CQCh. 20 - Prob. 20.100CQCh. 20 - Prob. 20.101CQCh. 20 - Prob. 20.102CQ
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