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Biological clock

Definition

noun

(1) The mechanism inherent in organisms which relates to the periodicity of certain biological functions.

(2) The periodicity in the organism that pertains to the time at which the female is capable to conceive or bear a child, i.e. the time from puberty to menopause.


Supplement

Biological clock in many organisms plays a role in timing their biological functions to environmental factors.


See also: circadian rhythm


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Re: biology urgent need help?

... or year. The question is, one would expect insects to have some sort of biological clock going, by which they like to be in light or darkness for N hours. Their response should ...

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by animartco
Sun May 18, 2014 11:57 am
 
Forum: General Discussion
Topic: biology urgent need help?
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what causes the change in hair colour

... to the board if what i did was wrong). The change in hair color (on biological definition) can be caused by two factors: age and genetics. Study shows that hair follicle has “melanogenesis clock”, it slows down or stop the melanocyte activity that causes the hair to be ...

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by foxbrent
Tue Mar 13, 2012 4:32 am
 
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Re: Biological Clock / Circadian rhythm.

Thank you. http://www.allexperts.com/user.cgi?m=6&catID=2406&expID=104314&qID=4991608 http://www.allexperts.com/user.cgi?m=6&catID=664&expID=80822&qID=4947411 Thanks & Regards, Prashant S Akerkar

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by prashantakerkar
Thu Nov 10, 2011 8:25 am
 
Forum: General Discussion
Topic: Biological Clock / Circadian rhythm.
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Views: 1959

Re: Biological Clock / Circadian rhythm.

Thank You.

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by prashantakerkar
Wed Oct 19, 2011 5:59 am
 
Forum: General Discussion
Topic: Biological Clock / Circadian rhythm.
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Views: 1959

Biological Clock / Circadian rhythm.

... to feel sleepy and cannot give 100% work efficiency. What could be the Biological Factors influencing this ?. Is it because of going against the Biological Clock / Circadian rhythm ?. Thanks & Regards, Prashant S Akerkar

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by prashantakerkar
Sat Oct 15, 2011 7:01 am
 
Forum: General Discussion
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