Which of the following happens when cancer occurs? A. The control of the cell cycle is impaired.
B. Cells cannot pass the G1 checkpoint.
C. Apoptosis or programmed cell death takes place.
D. The cells can no longer enter the cell cycle.

a time line cause it goes from 685 to 978

compost can be added to topsoil as a:

pesticide

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.