Toward the end of the G1 phase, a cell can "exit" the cell cycle when it receives a signal to differentiate, or when resources are insufficient to
grow and divide. Whether or not a cell exits the cell cycle depends on the.
The cell is then said to be in GO
-a resting, or nondividing, stage.

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Why is excretion necessary to maintain homeostasis?

What are examples of the plant life and animal life that can be found in each type of terrarium