n descriptive investigations, we still haven't formed any hypothesis yet so we seek information by asking question.
It's net repeatable because repeating the questions over and over again without any clue about what we want to seek is completely waste of time
The Y chromosome is 1/3 the size of the c chromosome and it contains bout 55 genes while the X chromosome had 900 genes
The book gives you more information and instructions then the television
Yes organelles work together to maintain homeostasis by each performing different jobs that keep the cell alive.
