B1.4-5 Specialised Cells Flashcards
1
Q
How is a sperm cell specialised for its function?
A
The acrosome in the head contains enzymes so that a sperm can penetrate an egg. The middle piece is packed with mitochondria to release energy needed to swim and fertilise the egg. The tail enables the sperm to swim.
2
Q
How is a nerve cell specialised for its function?
A
They are long so they can trasmit messages quickly. They have branched connections at each end that join to other cells to transmit the message. The axon has a fatty sheath around them so they can transfer faster.
