Dictionary » P » Passive



Neither spontaneous nor active, not produced by active efforts.

Origin: L. Passivus

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Too many ions inside a neuron cell. What happens?

Since it's passive transport, the concentration will never be higher than in extracellular space.

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by JackBean
Tue Feb 25, 2014 9:20 am
Forum: General Discussion
Topic: Too many ions inside a neuron cell. What happens?
Replies: 1
Views: 2399

Cellular Reincarnation

... described as total apathy to cope with my situation, unresponsive to my immediate surroundings. I have no idea for how long I had been in this impassive condition, but I know that it was long enough that I initially failed to notice things were slowly changing around me. Gradually it dawned on ...

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by ewartkuijk
Sun Feb 09, 2014 8:25 pm
Forum: General Discussion
Topic: Cellular Reincarnation
Replies: 0
Views: 3977

Diffusion and concentration gradient

Thanks for your reply, but there is no mention of any such mechanism at alveoli level, the exchanges there seem to be completely passive. Would you have any references about 'non-passive' exchanges in the alveoli? I have never heard of that and my course never mentions it. Thanks!

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by Aymeric
Tue Dec 17, 2013 2:02 pm
Forum: General Discussion
Topic: Diffusion and concentration gradient
Replies: 7
Views: 9673

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

... lacked by some sort of living microbe. Organelles have active membranes rather than envelopes, so we don't need to find a living microbe with a passive membrane. What else is there? The possession of ribosomes? Maybe some living microbes steal ribosomes rather than produce their own.

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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: 17996

Re: Re:

... since the cancer cells in these cases divide very rapidly. Of course, the cancer may still spread too quickly to be curable. Slow-growing, "passive" cancers, in turn, may allow the patient to live for many years without much problems, but turn out to be extremely resistant to these ...

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by Ahsmeah
Tue Feb 05, 2013 10:10 pm
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 7
Views: 15466
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