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77julia77 [94]
3 years ago
14

You introduce cyanide to an actively respiring mitochondrion. Cyanide blocks the transfer of electrons from the last cytochrome

in the ETC to Oxygen. Based on your understanding of cellular respiration would the following statements be true or false?
The pumping of Hydrogen ions from the matrix to the space between the mitochondrial membranes would decrease. You introduce cyanide to an actively respiring mitochondrion. Cyanide blocks the transfer of electrons from the last cytochrome in the ETC to Oxygen. Based on your understanding of cellular respiration would the following statements be true or false?
The pumping of Hydrogen ions from the matrix to the space between the mitochondrial membranes would decrease. True False
Biology
1 answer:
enot [183]3 years ago
5 0

Answer:

The answer is true, the pumping of hydrogen ions decreases and finally stopps.

Explanation:

As the cyanide blocks the bindinge site for oxygen, which is normally reduced to water, the pumping of hydrogen from the matrix into the space between the mitochondrial membrane decreases and finally stopps. There is an accumulation of electrons and the components of the respiratory chain are completely reduced, therefore the respiratory chain stopps working.

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<u>Answer</u>:- Active transport

<u>Explanation</u>:-

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2. Active transport- this type of transport takes place to move the molecules against the concentration gradient that is from <em>low concentration to high concentration.</em>

<em>The active transport is of two types:</em>

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2.<em>Secondary active transport</em> - in this type of transport the gradient formed by the active transport is utilized and it involves the movement of 2 substances at a time aross the membrane. That is the movement of one molecule is coupled to another.


  • The membrane proteins that are associated with active transport are called as <em>carrier proteins</em>. These proteins have a binding site for the molecules that they transport. Once they bind to the specific molecules, a conformation change is induced and this leads to the transport of the molecule across the membrane.

So, the <em>active transport is basically responsible for utilizing the energy from ATP and carrier proteins to move the substances across the membrane against their concentration gradient i.e. from low concentration to high concentration.</em>

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