Science & Mathematics - 28 January 2007

2007-01-28 04:35:03 · 8 answers · asked by Anonymous in Earth Sciences & Geology

2007-01-28 04:34:31 · 2 answers · asked by Anonymous in Chemistry

A small organic compound that is the basic structural unit of DNA.

a. gene
b. nucleotide
c. plasmid
d. none of the above

2007-01-28 04:34:13 · 5 answers · asked by shane200388 1 in Biology

Would u help me with detailed explanation besides micrographs,pictures?

2007-01-28 04:33:55 · 2 answers · asked by Anonymous in Zoology

I know it goes sqrt((-2)^2+(2)^2), but how does the answer 2(sqrt2) become (sqrt 2)/2 on sin and (-sqrt 2)/2 on cos. This is the answer the book gives

2007-01-28 04:33:24 · 3 answers · asked by ray10573 1 in Mathematics

2007-01-28 04:32:30 · 15 answers · asked by Anonymous in Biology

I am 21 years old and live in a foreign country and speaking a foreign language! Well, kinda speaking the foreign language! I am a native english speaker and would like to be an astrologist but what would I have to do! I understand that to study well, I would have to move to America or England to understand properly but I dont have school grades because I... well... long story, does that mean I have to go through school again and do physics and astrology, then university? I just dont have a clue what I have to do but I have a love of the stars and deeply interested in physics and astrology!

2007-01-28 04:31:56 · 5 answers · asked by Anonymous in Astronomy & Space

what is the chemical explanation to it.

2007-01-28 04:31:04 · 3 answers · asked by Anonymous in Chemistry

2007-01-28 04:29:05 · 4 answers · asked by death angel 1 in Engineering

2007-01-28 04:28:52 · 1 answers · asked by Anonymous in Chemistry

2007-01-28 04:28:44 · 5 answers · asked by MELLA_SR_09 1 in Biology

Would the information gathered by a radio telescope in orbit be better than the information gathered by a radio telescope on earth?

2007-01-28 04:28:36 · 4 answers · asked by SCOTT K D 1 in Astronomy & Space

2007-01-28 04:28:21 · 7 answers · asked by MELLA_SR_09 1 in Biology

thank you for your time

2007-01-28 04:27:39 · 2 answers · asked by death angel 1 in Physics

limit of ((4/x-4/3)/(x-3)) as x approaches 3
i got 4/9 but the answers is -4/9?
why is it negative?

2007-01-28 04:27:36 · 4 answers · asked by SeriousTyro 2 in Mathematics

2007-01-28 04:26:13 · 2 answers · asked by smokesha 3 in Botany

2007-01-28 04:25:43 · 12 answers · asked by needmathshelp 1 in Mathematics

2007-01-28 04:23:19 · 1 answers · asked by Denise M 1 in Zoology

2007-01-28 04:22:14 · 1 answers · asked by goring 6 in Astronomy & Space

And please if you know any websites that can teach me more about it please put it down.( Not complicated just by step by step)

2007-01-28 04:21:08 · 5 answers · asked by Anonymous in Biology

∫_(-1,2)^(3,1) (y^2+2xy) dx + (x^2+2xy) dy

2007-01-28 04:21:00 · 2 answers · asked by Astalav 1 in Mathematics

Can someone show me the steps... seriously my text book just cut it!

7r / 12 = -14 / r

2007-01-28 04:20:22 · 11 answers · asked by donnam4863 2 in Mathematics

2007-01-28 04:20:13 · 8 answers · asked by JoJo 4 in Botany

2007-01-28 04:19:50 · 2 answers · asked by Allen S 2 in Botany

What causes fish to get mercury in their bodies?

2007-01-28 04:19:32 · 14 answers · asked by kooikerhounddog 4 in Earth Sciences & Geology

2007-01-28 04:19:31 · 5 answers · asked by Anonymous in Biology

2007-01-28 04:16:44 · 12 answers · asked by thesupergothshow 1 in Medicine

2007-01-28 04:16:24 · 8 answers · asked by Anonymous in Mathematics

Combustion of 7.51 mg of certain organic compound yields about 17.10 mg CO2 and 5.26 mg of H20. This compound contains only C, H, and O. What is the percentage of C in this substance?

i dont know what im doing wrong, i converted mg to grams and tried solving for the empirical formula of the compound but it didnt seem right

2007-01-28 04:13:46 · 1 answers · asked by gottalovkait 1 in Chemistry

I have to do an oral presentation about Einstein. I completely understand the Theory of Relativity but I am not sure how I can present it. I will have access to a chalkboard so I can write things and draw things. I want to include E=mc^2, Special Relativity, and General Relativity.

2007-01-28 04:13:21 · 4 answers · asked by Anonymous in Physics