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a riddle

 
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Pau
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PostPosted: Thu Dec 28, 2017 9:28 am    Post subject: a riddle Reply with quote

What is this?

40X DIC
Of course the small rods everywhere are bacteria
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houstontx



Joined: 31 Jul 2015
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PostPosted: Thu Dec 28, 2017 1:29 pm    Post subject: Reply with quote

a fiber? Spider silk that got caught under the glass?
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Ken Ramos



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PostPosted: Thu Dec 28, 2017 3:46 pm    Post subject: Reply with quote

Well lets take a really wild poke at it . . . DNA! Surprised
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Pau
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PostPosted: Thu Dec 28, 2017 4:09 pm    Post subject: Reply with quote

houstontx wrote:
a fiber? Spider silk that got caught under the glass?

Well, it's fibrous, but not what we call a fiber, spider silk is smooth...so no
Ken Ramos wrote:
Well lets take a really wild poke at it . . . DNA! Surprised

DNA is 2nm wide while this is about more than 20 micron...although all in Biology is DNA related Very Happy

A clue: it has something that makes it difficult to forget Think
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Saul



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PostPosted: Thu Dec 28, 2017 6:35 pm    Post subject: Reply with quote

Pau wrote:
...
A clue: it has something that makes it difficult to forget Think


Spirochete Shocked
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Saul
Studio, horizontal and field setups
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Pau
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PostPosted: Fri Dec 29, 2017 1:01 am    Post subject: Reply with quote

No, it isn't prokaryotic
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Pau
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PostPosted: Fri Dec 29, 2017 1:01 am    Post subject: Reply with quote

Second clue: Marine Biology
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CEN



Joined: 23 Aug 2016
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PostPosted: Fri Dec 29, 2017 2:07 am    Post subject: Reply with quote

Sensoric tentacle of a jellyfisch?
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Pau
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PostPosted: Fri Dec 29, 2017 3:23 am    Post subject: Reply with quote

CEN, your scale is not correct but you're very close...although excessive proximity is not recommended in this case Very Happy
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JH



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PostPosted: Fri Dec 29, 2017 3:34 am    Post subject: Reply with quote

Thanks for a very interesting riddle.

A trichocyst?

Best regards
Jörgen Hellberg
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CEN



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PostPosted: Fri Dec 29, 2017 3:39 am    Post subject: Reply with quote

Everted thread of a nematocyst?
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Pau
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PostPosted: Fri Dec 29, 2017 4:01 am    Post subject: Reply with quote

JH wrote:
A trichocyst?

Now the scale is not correct by the other side, although it can be thought as analogous of ciliate trichocysts.
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Pau
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PostPosted: Fri Dec 29, 2017 4:46 am    Post subject: Reply with quote

CEN wrote:
Everted thread of a nematocyst?

YES!, it's a jellyfish nematocyst threaded long filament. Applause

Thanks all for your participation. I think it's fun, isn't it?

I've posted the info and more pictures at http://www.photomacrography.net/forum/viewtopic.php?p=224529
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carlos.uruguay



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PostPosted: Sat Dec 30, 2017 6:36 am    Post subject: Reply with quote

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