Why are male and female pelves different?

Provide one reason why mitosis occurs.

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.