Recent content by Cryptic89

Hi, I was doing a question on elimination reactions of haloalkanes. Could someone help me out? The question: "3-Bromo-3methylhexane rapidly undergoes elimination when boiled with ethanolic potassium hydroxide. Write the structures of the FIVE alkenes which might be formed, & name them."...

OMG...you're right! I'm sorry I did some mistake in counting! *embarrassed* Thank you for all the help!

I did the math! At then end of the third replication sequence, you get 8 DNA molecules...of which two strands are radioactive. So naturally you'd expect 2/8th (1/4th) of the final mass of the DNA to be radioactive.

OK thank you

Hmm...what do you think is the answer then?

Hi, I was doing this question & I just want to make sure I've got it correct: A quantity of DNA was labelled with radioactive nitrogen. It was then allowed to replicate three times using non radioactive to synthesise the new DNA strands. What proportion of the final mass of DNA would you...

Hello? Anyone??

decreases during the stage of mitosis...at which point specifically? Telophase?

Try googling...

Thank you all for the responses! :)

um what? I don't get you...could you pls, kindly, clarify your question?

Try chemguide as suggested above. Its great! Just so as its in words, lewis structures are not too hard once you get a good grasp of concepts :)

yea that's the mucus...it protects the enzymes digesting the walls of the stomach

Hello all, Its my first thread here! I'll start things off with a (simple?) question. Suppose a block is suspended on a surface of water. It comprises potential energy quite obviously. As the block desends down the water level, it loses PE. According to the rules of conservation of energy...