Biology Topic 3 3.0 / 5 based on 1 rating ? BiologyASEdexcel Created by: Faye YeatesCreated on: 27-03-13 17:48 Centrioles aid in cell division Yup 1 of 9 The mitochondria allows substances in and out of the cell Nah 2 of 9 Is flagellum the scientific word for a sperms tail? Yup 3 of 9 What is the zona-pellucida? The jelly-like substance surrounding an egg 4 of 9 Meiosis has two stages Yup 5 of 9 Sister chromatids seperate and haploid gametes are formed Yup 6 of 9 What can totipotent stem cells give rise to? An entire human 7 of 9 The embryos used for stem cell experiments come from excess IVF blastocysts Yup 8 of 9 During plant double fertilisation an endosperm is formed as well as a zygote Yup 9 of 9
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