This blog will cover and explain the specification for Edexcel triple science course 2013 for biology. Hope it helps :)
This comment has been removed by the author.
What does LH mean???
Did you find out? I'm confused too.
Luteinizing hormonean acute rise of LH triggers ovulation and development of the corpus luteum
The Biology Syllabus has changed…Here is a New blog for the 2017 Syllabus: http://igcse-biology-2017.blogspot.hk