Search found 6 matches

by ludwigye
Tue Nov 15, 2005 8:57 pm
Forum: Microbiology
Topic: why might flagella be more common in rod-shaped bacteria?
Replies: 5
Views: 3836

why might flagella be more common in rod-shaped bacteria?

why might flagella be more common in rod-shaped bacteria?

any idear? the question was given as part of courswork.
by ludwigye
Mon Oct 24, 2005 11:46 pm
Forum: General Discussion
Topic: a question about experimental data handling
Replies: 1
Views: 1247

a question about experimental data handling

Variance:"the averge size of the squared deviates in a data-set.It's a measure of the variability of a data-set that is not affected by sample size." "not affected by sample size"Dose that mean even if much more data are collected,the variance remain the same?(I don't thick so,but I don't know how i...
by ludwigye
Mon Oct 24, 2005 11:32 pm
Forum: General Discussion
Topic: why most poeple have a longer lefthand than their righthand
Replies: 12
Views: 6699

we measured the hands of 30 boys and 30 girls

well,three of us measured the hands of 30 boys and 30 girls.They all have a little bit longer left hands(we didin't expect that)but the difference is so small.I am not sure whther it is the fact,maybe it was just due to the mearuement error?
by ludwigye
Sat Oct 22, 2005 1:47 pm
Forum: Evolution
Topic: the typical steps to explain the evolutionary origin of sth
Replies: 1
Views: 2484

the typical steps to explain the evolutionary origin of sth

What are the typical steps to explain the evolutionary origin of some organism (e.g. eukaryote)? Is it right/logic that 1) I first point the time of the oldest eukaryotes known, then 2) compare them with the prokaryotes, which just evolved before them (maybe it sounds stupid, but how can I know ther...
by ludwigye
Sat Oct 22, 2005 1:28 pm
Forum: Microbiology
Topic: Vibrio&pinecone fish
Replies: 1
Views: 1678

Vibrio&pinecone fish

can someone tell me the symbiosis of Vibrio and pineconefish?

thanks!
by ludwigye
Sat Oct 22, 2005 1:27 pm
Forum: General Discussion
Topic: why most poeple have a longer lefthand than their righthand
Replies: 12
Views: 6699

why most poeple have a longer lefthand than their righthand

is that due to the fact that most people are righthanded, using the righthands more freguently,so the righthands become shorter? do infants have the same lenghth of their hands?do lefthanded people tend to have longer right hands than their lefthands? what's the causeation of being shorter and being...