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Biology CIE

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MaNi_DaDuDe:

--- Quote from: ~ A.F ~ on April 19, 2010, 09:27:51 am ---http://www.s-cool.co.uk/alevel/biology/biological-molecules-and-enzymes/enzymes.html

--- End quote ---

http://www.biology-online.org/biology-forum/about250.html

Umm, I understand you are asking what happens if we change the temp or pH?

*Hope*:
Guys am also confused about the chromatids, chromosomes and the number of DNA molecules present
Also do u have any idea of what are histones and if they are in the syllabus?? ???

nid404:
we don't have histones in the syllabus....but just for ur knowledge, remember the DNA wind itself around proteins called histones...

2 strands of DNA make a chromosome....1 Strand of DNA is a chromatid

clear?

*Hope*:
but isn't a chromatid a chromsome?

nid404:

--- Quote from: lolo93 on April 20, 2010, 07:38:57 am ---but isn't a chromatid a chromsome?

--- End quote ---

2 chromatids make one chromosome

1 chromatid is 1 DNA strand wound on a histone

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