Human eggs and sperm each contain 23 chromosomes. explain the significance of this during fertilisation in terms of chromosome numbers.

What occurs to the cell during mitosis

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

What are simmilarities and differences between anaerobic respiration in animal and yeast cells? would prefer to get simmilarities as i already got some differences. you!