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A level Biology: Post your doubts here!
9700/12/m/j/12 21. Which statements about tRNA structure are correct? 1. There is a binding site for the attachment of a specific amino acid, as well as a different binding site for the attachment to the ribosome, in order to allow translation to occur. 2. There is a ribose-phosphate backbone... -
As physics p1 MCQS YEARLY ONLY.
for June 2007, Question 3 Answer is A. Units for: speed, v is ms^-1 density is kgm^-3 acceleration, g is ms^-2 depth, h is m wavelength is m. Therefore, by substituting the units in the equation, you should be able to get one homogenous equation which is A. v = (g x lamda)^1/2 ms^-1 = (ms^-2 x... -
As physics p1 MCQS YEARLY ONLY.
can someone explain number 10 (june 2009)? Isn't (0.5 x m x 2v^2) / (0.5 x 2m x v^2) equals to 1mv^2/1mv^2? Then shouldnt the answer be 1? I dont understand the calculation... pls help me!!! :( Thx in advance! -