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Science & Mathematics - 21 November 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

Streptomycin (an antibiotic) binds to the small ribosomal subunit of bacteria (but not to the ribosoomes of the host cells infected by bacteria). The result is the misreading of bacteria mRNA and the breakup of polysomes, and how does this kill the bacterial cells?

2007-11-21 02:20:55 · 1 answers · asked by aLjAnE N 1 in Biology

You don't have to solve it, but maybe explain me how that works.
Thank you

2007-11-21 02:17:38 · 12 answers · asked by Vinko B 1 in Mathematics

2007-11-21 02:17:17 · 4 answers · asked by xxcolombiang12xx 1 in Chemistry

2007-11-21 02:16:25 · 12 answers · asked by Anonymous in Weather

And if they do, where do they throw out the condoms? You sure don't want stuff leaking out and floating around in zero gravity!!

2007-11-21 02:16:08 · 17 answers · asked by Anonymous in Astronomy & Space

My first substantiated memory I was three...sitting on the floor while we were moving. I have a "memory" of looking down in the car seat and I had baby legs (maybe two at the most), but not positive this is a real memory.

2007-11-21 02:15:42 · 6 answers · asked by primalclaws1974 6 in Biology

Two blocks of mass m1 and m2 rest on a frictionless table and are connected by a spring. The blocks are pulled apart, stretching the spring, and then released. Describe the subsequent motion of the two blocks.

Physics conceptual question, please help thank you! I will def. rate A++ for the best answer!

2007-11-21 02:13:26 · 2 answers · asked by Kiwikahuna 2 in Physics

2007-11-21 02:11:23 · 1 answers · asked by Anonymous in Biology

A solid, square pinewood raft measures 5.0 m on a side and is 3.50 m thick. What is the total mass of swimmers that the raft can carry and float with its top surface at water level?

2007-11-21 02:06:22 · 1 answers · asked by J.Mo 1 in Physics

2007-11-21 01:58:15 · 4 answers · asked by Tracy Terry 2 in Astronomy & Space

2007-11-21 01:57:21 · 10 answers · asked by cmerritt32 2 in Mathematics

2007-11-21 01:55:41 · 1 answers · asked by th_effect 1 in Engineering

2007-11-21 01:54:52 · 5 answers · asked by Anonymous in Earth Sciences & Geology

2007-11-21 01:46:13 · 5 answers · asked by cmerritt32 2 in Mathematics

for example: log (base 4) 9x (squared) = log (base 2) (5x-8)

how would i solve this equation

2007-11-21 01:45:22 · 5 answers · asked by Svetlana P 1 in Mathematics

WHY would someone believe that people were alive at the same time as dinosaurs ??????

2007-11-21 01:39:51 · 6 answers · asked by sunshyn1919 5 in Other - Science

I dont know what to do with this problem after multiplying 2.19 amperes by the time in seconds. Then afterwards dividing it by the constant 96485 coulombs and left with moles of electrons: how do i get the mass they are asking me for?

1) Gold can be deposited by electrolysis. What mass of gold in g will be deposited by the electroplating of Au(NO3)3 using 2.19 amperes for 3.03 hr?

2007-11-21 01:39:49 · 1 answers · asked by Anonymous in Chemistry

Hi guys, could use some help on this one.
Here is a screenshot:
http://img232.imageshack.us/img232/8095/62339971np9.png

2007-11-21 01:34:16 · 2 answers · asked by Anonymous in Engineering

2007-11-21 01:34:00 · 9 answers · asked by cmerritt32 2 in Mathematics

that expels 35 g of hot gass at 875 m/s. the combined mass of the astronaut and pistol is 84 kg. how fast and in what direction is the astronaut moving after firing the pistol?

2) a 2 kg ball, a is moving at a speed of 5 m/s. it collides with a stationary ball, b of the same mass. after the collision, a moves off in a direction 30 degrees to the left of its original direction. ball b moves off in a direction 90 degrees to the right of ball a's final direction. how fast are they moving after the collision?

2007-11-21 01:17:02 · 1 answers · asked by wahoo 1 in Physics

http://news.yahoo.com/s/ap/20071121/ap_on_sc/biggest_bug_ever

Please read all the information on it before you give me your opinion.

2007-11-21 01:11:14 · 10 answers · asked by layanne1 4 in Zoology

Three 5.00 kg masses are at the corners of an equilateral triangle and located in space far from any other masses.

(a) If the sides of the triangle are 2.45 m long, find the magnitude of the net force exerted on each of the three masses.
N
(b) What would your answer to part (a) be if instead the sides of the triangle are doubled in length?
N

2007-11-21 01:10:59 · 3 answers · asked by Amber G 2 in Physics

solve for X

2007-11-21 01:06:23 · 8 answers · asked by BD M 1 in Mathematics

What values of a and b exist for this equation?


lim [(x^3-8)\(x^2-4) - (ax+b)] =0
x-> infinity

i don't know how i'm supposed to solve this.
I do know how to solve limit problems but the ax+b
and the =0 is baffling me

please show all your work
thanks!

2007-11-21 01:00:51 · 1 answers · asked by Anonymous in Mathematics

fedest.com, questions and answers