specialised cells

Question 1

egg cells (and how its adapted)

Answer 1

1) it contains nutrients in the cytoplasm to feed the embryo
2) has a haploid nucleus
3) after fertilisation, its membrane changes structure to stop anymore sperm getting in (so the offspring ends up with the right amount of DNA)

Question 2

sperm cell (transfers males DNA to females eggs)

Answer 2

1) long tail to swim
2) lots of mitochondria in middle section to provide energy needed to swim
3) acrosome at frond of head which stores enzymes needed to digest through membrane of the egg cell
4) haploid nucleus

Question 3

ciliated epithelial cell (specialised for moving materials)