Dictionary » O » Obligate




(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.


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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My “Eureka” moment. A cure for cancer.

... normal cells from dividing Some relevant links on Wikipedia Management of cancer Clostridium novyi-NT - Potential Therapeutic Uses in Cancers Obligate anaerobe Antimicrobial Hormonal therapy (oncology) Growth factor receptor inhibitor Chemotherapy

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by PeterDow
Fri Oct 25, 2013 12:14 am
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
Replies: 9
Views: 19571

Living or not? (viruses,viroids and prions).

Apparently the chlamydias and genus Rickettsia share some characteristics with viruses. They're no ordinary parasites, they're obligate intracellular parasites , entering inside the cells of their hosts as a requirement for survival (thus making it "obligatory"). The chlamydias ...

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by wildfunguy
Thu Oct 17, 2013 10:20 pm
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 17997

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: 2
Views: 5569

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: 3967

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: 7605
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