What component is present in every part of a loop, such as one that involves proteins producing energetic molecules from sugars?

How would I use a voltage tester? Would I go from outlet to outlet measuring the voltage? I've gone around the house and tightened outlets and opened the panel and tightened the screws that were not tight. I haven't seen the lights dim since I tightened everything. Thanks a lot! Gbrown

My husband and I bought our house almost a year ago. Recently someone offered us an amount we could not refuse. If we sell before owning the house for a year is it true that as long as all the money is invested within two years we do not have to pay capitol gain tax? Does this include a house we...

Every time I turn my computer on it will go into a restart loop: on,off,on,off etc. Like a continuous restart mechanism. On normal bootup I reach the desktop to be met with error messages telling me my System has recovered from a serious error. I click "DOnt send" and another pops up. After...