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Is the answer for 18 .... C?

yea, there were lots of repeated questions. But, there were also some new questions which made no sense - - But I'm still think I did pretty well!! GT might be around 33

I'm gonna sleep now¬ Good luck everyone!!!! Godspeed :Bravo: :Bravo: :Bravo:

Answer is A. As the question mentions, substance X replaces telomeres which help DNA replication. So, when substance X is present, the telomeres are continually replaced. So, DNA replication proceeds normally. But, when Substance X isn't present. Some of the telomeres will be lost each time...

Are there ribosomes in mitochondria???? y isn't the anwer D??

Could someone plz show all the stuctures that are present and all the strucutres which are not present in a Virus

Then, is HIV virus considered as a living thing??? because if it doesn't respire, it doesn't have one of the 7 characteristics of life

????

:) glad I helped

Stomata close when the rate of transpiration is too much. (and the supply of water is low) you just have to find a set among those which satisfy the requirement

No, the mark scheme says its C... :( my answer was D ... - -

This seems easy, but I still get it wrong everytime! :oops:

yea, rite!!

Need some help..

Is the answer C?

I tried dude...

no, its B. any1 plz explain...

yes

We know that.......... I = A^2 , and I = 1/(x^2) so, from substitution, we can get (A^2) = 1/(x^2) ......... A=1/x From the given data, we can form 2 equations: 1........... 8=1/r 2............x=1/2r from the formula 1, we can get that r=1/8 If we put the value of r into the 2nd equation, x =...

Ok, posted it again how the hell are we supposed to know the units of specific heat capacity???