The reason that salt and sugar can be used as preservatives in pickles and jellies is that:• both change the pH of a solution, denaturing enzymes and killing many bacteria• all of the other answers• both change the temperature of a solution, denaturing enzymes and killing many bacteriaboth change the oxygen content of a solution, killing many bacteria• both change the osmotic pressure of a solution, killing many bacteria

Answered: The reason that salt and sugar can be…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The reason that salt and sugar can be used as preservatives in pickles and jellies is that:
• both change the pH of a solution, denaturing enzymes and killing many bacteria
• all of the other answers
• both change the temperature of a solution, denaturing enzymes and killing many bacteria
both change the oxygen content of a solution, killing many bacteria
• both change the osmotic pressure of a solution, killing many bacteria

Expert Solution

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Salt and sugar reduces the water activity of the food. It causes the microbial cells to undergo osmotic shock. This leads to the loss of water from the cells resulting in cell death or growth retardation.

This is the means by which sugar and salt preserve food.

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