Anatomy B/C Question Marathon

Test your knowledge of various Science Olympiad events
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Anatomy B/C Question Marathon

Post by Jim_R »

Question Marathon for Anatomy B/C.
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Re: Anatomy B/C Question Marathon

Post by fantasyfan »

Lets get this party started!

We'll start with a fairly simple one

These support cells increase the speed of conduction along a central nervous system axon by secreting a special substance.
What is the name of this type of cell and what is the name of the special substance
Looking forward to anatomy, protein, fossils, and optics (NYS trial) this year!
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Re: Anatomy B/C Question Marathon

Post by pikachu4919 »

fantasyfan wrote:Lets get this party started!

We'll start with a fairly simple one

These support cells increase the speed of conduction along a central nervous system axon by secreting a special substance.
What is the name of this type of cell and what is the name of the special substance
It seems like oligodendrocytes, and the substance is myelin
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Re: Anatomy B/C Question Marathon

Post by fantasyfan »

That is correct!
It is your turn to post a question
Looking forward to anatomy, protein, fossils, and optics (NYS trial) this year!
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Re: Anatomy B/C Question Marathon

Post by pikachu4919 »

OK! =D
What are anagen, catagen, and telogen?
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Re: Anatomy B/C Question Marathon

Post by Crazy Puny Man »

The stages of hair growth:

Anagen = growth stage; hair matrix cells divide & the hair grows outward
Catagen = regression stage, when the hair stops growing and it atrophies
Telogen = resting stage

After the telogen stage, a new hair begins to grow and pushes the old hair out of its follicle, and the cycle repeats
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Re: Anatomy B/C Question Marathon

Post by pikachu4919 »

Crazy Puny Man wrote:The stages of hair growth:

Anagen = growth stage; hair matrix cells divide & the hair grows outward
Catagen = regression stage, when the hair stops growing and it atrophies
Telogen = resting stage

After the telogen stage, a new hair begins to grow and pushes the old hair out of its follicle, and the cycle repeats
Correct! =D your turn!
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Re: Anatomy B/C Question Marathon

Post by Crazy Puny Man »

I forgot to hide my answer! Oops >_>

Okay, whatever. Next question: which class of major histocompabitility complex (MHC) proteins (also known as human leukocyte proteins, or HLA) appears on the surface of antigen-presenting cells?
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Re: Anatomy B/C Question Marathon

Post by fantasyfan »

In div B, so just going off memory, but would those be
[hide]Antibodies?[/hide]
Looking forward to anatomy, protein, fossils, and optics (NYS trial) this year!
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Re: Anatomy B/C Question Marathon

Post by Crazy Puny Man »

Nope, try again ;)

EDIT: antibodies are not a class of MHC proteins...
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