A. Genes involved in the cell cycle
This is because cancer is a defect that causes the cell to repeatedly divide and undergo mitosis. If genes involved in the cell cycle mutate, the genes that limit and regulate the cell cycle may be changed or inactive, leading cancer cells.
<span>monnosaccharides, dissacharides, polysaccharides</span>
One difference between mechanical and electromagnetic waves is that mechanical waves need a medium to pass through (solid, liquid, gas). EM waves can travel through matter or though a vacuum. In regards to telecommunications, EM waves can be radio waves, these are used in TV's, phones, computers, radios. Mechanical waves somewhat relate to this since radios produce sound;so an EM wave would turn into a mechanical vibration inside a speaker then sound would be produced.
Blood flow is fastest in the large arteries.
<span>Controlled variable is a variable that was made constant in the research. That was because the controlled variables can influence the dependent or independent variable. If the variables is not made constant, it can alter the research result and made it invalid.
In this case, </span>the caffeine and alcohol intake might alter the physical activity or the blood glucose so it should be controlled.
