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To remove a potential toxin from the body requires the use of an energy consumptive process. At...

Question:

To remove a potential toxin from the body requires the use of an energy consumptive process. At the cellular level this process relies on the following steps: a) absorption from the blood stream of toxin; b) inter-cellular acquisition of toxin by an active transport mechanism; c) dephosphorylation of the toxin by enzyme controlled system d) inter cellular removal of harmless end products by exocytosis. 1. Which lettered activity did not require energy and why? 2. Name the organelles and the functions required of them for C and D to take place 3) If the cell had mitochondrial deficits, which letter activity would be compromised?

Detoxification:

Removal of toxins from the body at the cellular level is called detoxification. All the body organs and their cells cleanse themselves from the toxins and unwanted materials. Liver and kidney cells play a major role in the detoxification of the body.

Answer and Explanation: 1

1.

Option a) did not require energy. This is because toxins are high concentrated materials and they are moved from the blood to the cells (less concentrated) without any expenditure of energy.

2.

Option c and d are conducted by the functions of smooth endoplasmic reticulum, lysosome and Mitochondria. The dephosphorylation takes place by the action of hydrolysis conducted by the smooth endoplasmic reticulum. The enzyme hydrolase is released by lysosomes and mitochondria provide energy for this process.

3.

Option a absorption of the toxins from the bloodstream can be compromised in case of the mitochondrial deficit because it's a passive transport mechanism and does not require energy.


Learn more about this topic:

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The Cell: Structure & Function

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Chapter 12 / Lesson 1
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The cell is a small, but complex structure. Take a look inside the outer plasma membrane of a cell and discover the functions of some common cellular components, including the nucleus, endoplasmic reticulum, Golgi apparatus and mitochondria, in this lesson.


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