"Crossing Over" is a key part of the process because it leads to: a
the completion of mitosis
b
growth and repair of body cells
c
genetic variation

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

The kobe habor wharfs where the center of japanese exports to other countries. it had 200 wharfs before the earthquake. how many wharfs remained undamaged after the earthquake? a. 130 wharfts b. 3 wharfs c. 30 wharfs

Explain why phospholipid molecules form a bilayer. (3 marks)