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Dictionary » O » Obligate

Obligate

Definition

adjective

(general) Compulsory; restricted to a set of parameters or conditions; having no alternative system or pathway.

(biology) Capable of functioning or surviving only in a particular condition or by assuming a particular behavior.


Supplement

This descriptive term, which means 'by necessity' is used mostly in biology, such as the following:


Word origin: L obligātus (ptp. of obligāre to bind).

Compare: facultative.


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How is Mycoplasma a gram positive bacteria

... thanks bunches! :) **My book states as following: "Mycoplasmas is a second class of low G+C gram-positive bacteria. These are faculative or obligate anaerobes that lack cell walls, which means they stain pink when Gram stained..." So I get it stains pink, but it also says it's gram ...

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by SweetSarah
Mon Mar 12, 2012 5:54 am
 
Forum: Microbiology
Topic: How is Mycoplasma a gram positive bacteria
Replies: 1
Views: 1107

Investigation into aspect of plant physiology

... or does it need to be one of those grow light things? And is it okay if I use a plant like straberries since they grow pretty fast and they are obligate?

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by Lysis
Tue Feb 14, 2012 10:00 am
 
Forum: Botany Discussion
Topic: Investigation into aspect of plant physiology
Replies: 6
Views: 1695

Reasons for Skepticism on the Endosymbiosis?

... But how do you enslave another cell, how do you replace its proteins and genes without affecting existing functions? The existence of obligate bacterial endosymbionts in some present eukaryotes is often presented as a substitute for a mechanism, but they remain bacteria and give not ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
 
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 3326

Re: Modern mitochondria

They would be obligate aerobes and heterotrophs.

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by sara135
Tue Jul 12, 2011 12:14 pm
 
Forum: Microbiology
Topic: Modern mitochondria
Replies: 12
Views: 9287

Question on genom...

... it was observed that there is a correlation of giant genome size with neoteny in urodeles. Those with the largest genomes are those with the most obligate form of neoteny and the longest history of neoteny within the family.

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by Orome
Fri May 07, 2010 2:09 pm
 
Forum: Molecular Biology
Topic: Question on genom...
Replies: 9
Views: 2484
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