Specialised Cells

Question 1

How are egg and sperm cells adapted to their function?

Answer 1

Egg cell , contains nutrients in the Cytoplasm to feed the embryo, it has a haploid nucleus, after fertilisation it’s membrane changes to stop sperm getting in.
Sperm cell , long tail, lots of mitochondria to provide energy to swim, also has an acrosome at the front to digest the membrane of the egg using enzymes, has a haploid nucleus

Question 2

How are ciliated Epithelial cells specialised?

Answer 2

Line the surface of organs
Some have cilia on the top surface of the cell
Function is to move substances along in one direction, along the tissue
Throat contains lots of these to help mucus move up to the throat so it isn’t swallowed and doesn’t block up the lungs.