<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.
"Leydig Cells" secretes & synthesize androgens such as testosterone
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MAOI's work better with patients whose depression becomes more acute as the day progresses. An enzyme named monoamine oxidase is intricate in eliminating the serotonin, neurotransmitters norepinephrine and dopamine to the brain. MAOIs avoid this from happening which makes more of these brain chemicals obtainable to effect alterations in together cells and circuits that have been obstructed by depression.
The spinal cord is located at the vertebral canal
Answer:
What do you mean by I control all metabolic activities of the cell