Question

Hello buddies!!!☺️
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Please explain can cell respiration occur in any organism at a temperature of about 65 ° C?
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Give reasons........

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please help me out guys!!!!!☺️☺️

Answer 1

Hello Saloni.

Thanks for asking this question..

Your answer is =>

YES !!!!!

There are some algae like Chlamydomonas and some thermophilic bacteria like Clostridium botulism which can tolerate the temperature as high as 65 °c.

For every 10° rise in temperature , the rate of Respiration increases by 2 to 5 times....

but one thing which you should not forget is ,

the maximum rate of Respiration is always at 30°c .if we increase it that 30 °C , then it initially increases. but then it gradually decreases in most of the organisms. ..

this is because ,the enzymes required for various stages in cellular respiration starts clotting and their working is then disturbed.

In short =>

Higher the temperature above LIMITS , more is the decline in the rate of Respiration.

Only few bacteria species and some desert plants as well as some algae can perform Respiration in this temperature.
But it's not their maximum Respiration , but it's a modification according to environmental conditions.


Hope u understood ^_^


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Answer 2

As we know the process is carried out by enzymes. At this such high temperature and pressure enzymes will become inactive and gets destroyed.

But in most of the organisms,enzymes are stable at such high temperature and pressure and respiration can take place.

Respiraton can occur at 65°C.

$hope \: helps$