Bio Unit 2

Common exam questions:

Stem cell features

-hydrodynamic to reduce resistance

- Acrosome with acrosin to digest a channel

- markers on surface membrane to bind to egg cell membrane

- tail for propulsion

- mitochondria provides energy from ATP for movement

- haploid to restore diploid

Egg cell features

- haploid to restore diploid

- lipid droplets for energy for division

- release of chemicals for chemotaxis

- membrane sperm…