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Science & Mathematics - 8 December 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

trnascription and translation in prokaryotes are "linked" processes but this is not the case in eukaryotes. On the basis of your knowlege of cell structure, propose a likely explanation.

2007-12-08 14:31:38 · 1 answers · asked by me 2 in Botany

2007-12-08 14:27:14 · 6 answers · asked by goth girl 1 in Weather

2007-12-08 14:26:33 · 6 answers · asked by princess_kc1 1 in Chemistry

Why are the reagents used to test for cations usually alkali metal salts or ammonium salts rather than salts of other metals?

2007-12-08 14:23:51 · 3 answers · asked by david edwards 2 in Chemistry

Combustion analysis of a hydrocarbon produces 0.396 g of CO2 and 0.163 g of H2O.
A) CH4
B) C2H6
C) C2H2
D) C2H4
E) C3H8

2007-12-08 14:23:47 · 5 answers · asked by Yoyo Y 1 in Chemistry

2007-12-08 14:22:10 · 2 answers · asked by Yoyo Y 1 in Chemistry

obviously it wouldn't matter if it were a loud rasberry, being as the speed of light is so many times faster than the speed of sound. but what if it were a "silent but deadly", would you still smell it?
what is the speed of smell?
has anyone ever tried to measure it?

2007-12-08 14:21:13 · 9 answers · asked by biodegradable insane asylum 5 in Physics

2007-12-08 14:19:56 · 3 answers · asked by Baby Jack born 4/5/09 4 in Physics

5(2y-1)=3(y-4)
If you can solve this and explain to me how you got the answer or show you work that would be awsome im really having a hard time catching on to this kind of math

2007-12-08 14:15:53 · 16 answers · asked by Anonymous in Mathematics

2007-12-08 14:11:02 · 18 answers · asked by ekelley52 1 in Astronomy & Space

And what if:

a) her face is blue
or
b) she has a huge gunshot wound in her chest
or
c) her tongue is sticking out
or
d) there's maggots and flies all over her body

2007-12-08 14:09:54 · 33 answers · asked by Anonymous in Medicine

an artifical cell with an aqueous solution in a a selectively permeable membrane has just been immersed in a beaker containing a different solution.

Inside the cell, there is .03 M glucose and 0.2 M sucrose and in a beaker, it is .01 M sucrose, .01 glucose, and .01 M fructose

the question is : which solutes will exhibit a net diffusion into the cell?
A Glucose
B Sucrose
C Frcutose
D both b and a

2 Question: after the cell is placed into the beaker, which of the following changes would occur?

A. the artifical cell would become more flaccid ( weak)
b. The artifical cell would become more tugid
C. the membrane potenital would decrease
D. the entropy of the system ( cell plus surrounding solution ) would decrease

all the help would be appreciated

thanks guys

2007-12-08 14:01:04 · 4 answers · asked by meee 2 in Biology

Why does the U.S. keep spending billions of dollars sending the space shuttle into orbit for no apparent reason? Humans will never be able to go to places like Mars or Jupiter to live so why not spend the money on things like starvation to feed the needy right here on earth?

2007-12-08 14:01:04 · 9 answers · asked by Baby Baby Baby 2 in Biology

Yes,still homework..... so help people?!

2007-12-08 13:58:49 · 7 answers · asked by Seraphim S 1 in Physics

ive been kicking around being a engineer b.c im good at math and at science but i have looked on what they do and no one comes out with it and tells me what they do on an average day so if someone would tell me on an average day what would a engineer do......

2007-12-08 13:58:23 · 8 answers · asked by lil_lil_bing 1 in Engineering

also why for the squares and cubes the ratio of the derivative of square's area to its perimeter is 1:2; and for cubes volume to surface area is 1:2

2007-12-08 13:53:17 · 3 answers · asked by Anonymous in Mathematics

can we put this conspiracy to bed once and for all..

2007-12-08 13:41:17 · 17 answers · asked by Anonymous in Astronomy & Space

I am currently pursuing a bachelors in Geology(followed by a masters degree) and was wondering if GIS certification is a worthwhile endeavor that would help in finding a job in the oil industry. Also are there any other programs I should look into to improve my resume?

2007-12-08 13:39:32 · 5 answers · asked by Alamo323 2 in Earth Sciences & Geology

what website can i go to besides google maps were i can see a 100% percent clear picture of my house from a stellite from outer space????

2007-12-08 13:33:54 · 3 answers · asked by Anonymous in Astronomy & Space

An international curling competition has 10 teams. in the round-robin portion of the competition. 1)determine the number of games that are played during the round-robin portion of the competition. 2)in the medal round, there are two semifinal games. in one, the first place team plays the fourth-place team, and in the other, the second-place team plays the third-place team. determine the number of different possible pairings for the semifinal games.explain your answer.

2007-12-08 13:29:57 · 3 answers · asked by Anonymous in Mathematics

I think I have an Idea and I just wanted to see if someone out there could give me feed back. If one were to send sea water over super heated stainless steel plates and then collect the resulting steam would that steam not be saline free?

2007-12-08 13:29:35 · 7 answers · asked by Zod of Nod 1 in Engineering

2007-12-08 13:26:05 · 2 answers · asked by omkar wandering da universe 1 in Astronomy & Space

Homework again.......anyone want to help!?

2007-12-08 13:25:22 · 5 answers · asked by Seraphim S 1 in Engineering

You want to take a bath with the water temperature at 35.0°C. The water temperature is 38.0°C from the hot water tap and 11.0°C from the cold water tap. You fill the tub with a total of 197 kg of water. How many kilograms of water from the hot water tap do you use?

2007-12-08 13:24:35 · 3 answers · asked by Phaedrius 2 in Physics

2007-12-08 13:22:14 · 4 answers · asked by bee5897 1 in Mathematics

its a science project

2007-12-08 13:19:16 · 21 answers · asked by rockin.roxy:) 2 in Other - Science

2007-12-08 13:18:21 · 3 answers · asked by Yahya A 1 in Geography

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