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Yes, you should always be sterile before performing any experiment as to not add any variables.
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∙ 13y ago
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Should you wash hands before touching hamster?
You wash your hands before you eat and handle food don't you? You should wash your hands before and after you touch any living creature
Should you wash your hands before fingering your girlfriend?
Yes, you should always wash your hands before fingering a girl this prevents pregnancy (if you have previously have sperm on your hands) and also STI's. You should also wash your hands after fingering a girl, its more hygienic.
What should you do before you prepare for a meal?
wash your hands
Why do you have to wash your hands before and after a experiment?
Before so everything stays consistent and after so you're not all germy and stuff. :D
When would you wash your hands?
You should always wash your hands after you have been to the toilet and before eating meals. If you feel that you have touched a bacteria infested surface, it is always good to wash your hands.
How many seconds should you wash your hands before cooking?
it doesn't matter how many seconds you should wash your hand, but that you wash them thorougly
The last thing you should do before leaving the laboratory is .?
Wash your hands!
Why must we wash our hands after experiments?
You must wash your hands after an experiment so you don't contaminate yourself with anything harmful.
What should you do before handling food three things?
Wash your hands and arms thoroughly and rinse them in clean water.
When should you wash baby's hands?
wash babies hands after changing their nappy/going to toilet, after blowing their nose, after playing outside, before eating
Should you always wash hands before putting on new pair of gloves?
Yes. You should not be handling fresh gloves with dirty hands.
What do you do before cooking?
You wash your hands and wash the equitment.
