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midwestnerd

Synapses

How is one-way synapses ensured?
06:32 Tue 18th Nov 20081 answer, last by Avatar 14:14 Tue 18th Nov 2008
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midwestnerd

Neurons

Describe how the Schwann cells form the myelin sheath and the neurilemma encasing the nerve processes.
06:33 Tue 18th Nov 20083 answers, last by rov1200 23:38 Wed 19th Nov 2008
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midwestnerd

Nerve impulses

Would a substance that decreases membrane permeability to sodium increase or decrease the probability of generating a nerve impulse?
06:35 Tue 18th Nov 20081 answer, last by Avatar 14:12 Tue 18th Nov 2008
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midwestnerd

depolarization and action potential

Why don't the terms "depolarization" and "action potential" mean the same thing? (Hint: under what conditions will a local depolarization not lead to the action potential?)
06:36 Tue 18th Nov 20081 answer, last by Avatar 14:11 Tue 18th Nov 2008
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midwestnerd

Connective tissue wrappings in nerves

What is the value of the connective tissue wrappings found in a nerve?
06:37 Tue 18th Nov 20085 answers, last by fredpuli47 00:03 Sat 22nd Nov 2008
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jd_here

Hospital visit...

A rather prim female MP was visiting a local hospital in her constituency. During the tour she came across this gent in a ward who was masturbating, she turned to her guide and asked the reason for...
20:20 Mon 17th Nov 20081 answer, last by Avatar 14:03 Tue 18th Nov 2008
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pauliwauli2

Active transport in membranes

I can't quite understand the difference between primary and secondary active transport - can anyone explain it to me? Thanks in advance!
13:11 Thu 06th Nov 20086 answers, last by pauliwauli2 13:42 Mon 10th Nov 2008
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simwod

Urine test

It seems to be standard practice to give a urine sample when you register with a new GP surgery. Does anyone know what they test the urine sample for?
15:57 Mon 03rd Nov 20087 answers, last by Avatar 17:12 Wed 05th Nov 2008
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Barquentine

Dawn Chorus

Does anyone know why birds sing first thing in the morning? I'm sure I heard a Radio 4 interview with someone who said that the birds store up energy overnight and sing to lose weight when they wake...
13:49 Wed 05th Nov 20089 answers, last by DaisyMae 16:15 Wed 05th Nov 2008
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mountainboo

Is the Earth going to Align with the Sun in 2012?

I have heard many theories about 'End of Days' in 2012. Some are utterly implausible but this one seems to me to be something that could possibly happen. I have read that the Earth will align with the...
11:31 Fri 31st Oct 200816 answers, last by mancman1 17:28 Sat 10th Mar 2012
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jacquiclarke

proverbs

i'm stuck on these proverbs and sayings. 1, as p--- as a c----- m---- 2.as n---- as a f---- c--- 3.as s----- as f------ o-- a l-- 4.as d-------- as c---- a-- c----- 5.as t---- as t-- s---- p----- can...
19:49 Fri 31st Oct 20086 answers, last by Avatar 15:27 Mon 03rd Nov 2008
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garner

Autumn Watch

Nature lovers..Going to be great as expected.
21:59 Mon 27th Oct 200812 answers, last by Avatar 16:33 Wed 29th Oct 2008
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penniej

Blades of grass or leaves

Are there more blades of grass in the world than leaves on the trees?
10:50 Tue 28th Oct 20084 answers, last by Whickerman 19:41 Tue 28th Oct 2008
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carol8242

dog's skin infection

My dog's skin has gone quite red under his coat and his hair has come off in a patch under his chin. It looks raw and he keeps scratching it. Looks likely to be an allergy. Any ideas on how to treat...
12:51 Tue 28th Oct 20088 answers, last by Kleiber 21:21 Sun 02nd Nov 2008
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R1Geezer

Compulsory sex education......

http://news.bbc.co.uk/1/hi/education/7684810.s tm Why is it necessary to destroy the innocence of our kids because a few chav tarts can't keep their knees together?
09:36 Thu 23rd Oct 200846 answers, last by LoftyLottie 12:50 Fri 24th Oct 2008
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sarahmjz

Whales

What makes a killer whale different to other whales?
22:08 Tue 21st Oct 20086 answers, last by Avatar 14:06 Thu 23rd Oct 2008
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bubbles4920

pirate attack

what's the latest on the boat that was taken over by pirates off somalia i think? it all seems to have gone very quiet.
04:33 Mon 20th Oct 20085 answers, last by terambulan 05:57 Thu 23rd Oct 2008
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gil-rob

birds

When walking through the woodland yesterday I spotted a bird I could not identify... It had an all white head, speckled breast with black back and wings. It was a bit smaller than a female blackbird.....
16:28 Sat 18th Oct 20087 answers, last by gil-rob 12:04 Wed 22nd Oct 2008
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story_teller

peanuts

a man is throwing peanuts up in the air and catching them in his mouth.....when his wife asked him a question he turned around to answer her a peanut got stuck in his ear his wife tried to get it out...
16:10 Fri 17th Oct 20083 answers, last by Avatar 11:41 Mon 20th Oct 2008
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scarecrow19

blood pressure

Can you fly with high or low blood pressure?
20:41 Tue 14th Oct 20084 answers, last by Avatar 14:49 Thu 16th Oct 2008

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