SB1c specialized cells Flashcards
job of sperm and egg cells
egg cells - to be fertilised by a sperm then develop into an embryo
sperm cell - fertilise an egg and deliver male dna
describe how sperm cells are adapted to their function
a tail to swim, mitochondria to give energy for swimming, an acrosome to break through the egg’s jelly coat, haploid nucleus with only half the total DNA.
describe how egg cells are adapted to their function
jelly coat to protect the cell, many mitochondria and nutrients to provide energy for growth, haploid nucleus with only half the total DNA
describe how ciliated epithelial cells are adapted to their function
JOB : to clear mucus out of your lungs
small hairs on the surface-called cilia-which wave to sweep mucus alone