Tue 17 Apr, 2007 03:06 pm - Show that if m is any real number, then there are exactly two lines of slope m that are tangent to the ellipse
(x^(2)/a^(2)) + (y^(2)/b^(2)) = 1
and their equations are
y=mx plus or minus... (view)
Sun 1 Apr, 2007 10:06 am - How would I estimate a range of x values for which a series approximation is accurate to within a certain error?
For example, in the (I guess Maclaurin) series expansion for sin(x), if I take... (view)
Sat 31 Mar, 2007 11:01 pm - I don't understand why acetals can't form from hemiacetals under basic conditions. Is it just because there is a hydroxyl leaving group? I understand OH is a "poor" leaving... (view)
Fri 27 Oct, 2006 04:17 pm - [quote]Emotional tears contain much more (maybe 25% more) than basal or irritant tears of a certain important ingredient: proteins(8)... The proteins found in emotional tears are hormones that... (view)
Wed 25 Oct, 2006 09:55 pm - According to wikipedia, the composition of tears from weeping differ from the composition of tears for lubrication, which is pretty interesting, but I would still like to know specifics (ie,... (view)
Wed 25 Oct, 2006 09:34 pm - I don't think there are any sources which argue the marsupial oocytes are straight telolecithal. Clearly it's not due to its holoblastic cleavage, as you pointed out. The article I linked... (view)
Wed 25 Oct, 2006 09:08 pm - What is the biological significance of weeping? To secrete water (and the various compounds dissolved in it in the tear) to lubricate eyes has a meaningful function, but to do it merely in response... (view)
Tue 24 Oct, 2006 02:33 pm - This is mainly a issue of source conflict. What is the classification of a marsupial egg? I'd always assumed alecithal due to the yolk-sac being separate and functioning like an early... (view)
