Crime Busters B

Test your knowledge of various Science Olympiad events.
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cookie75
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Re: Crime Busters B

Post by cookie75 »

Um... all right then...
What are the four nitrogenous bases in DNA?
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Re: Crime Busters B

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cookie75 wrote:Um... all right then...
What are the four nitrogenous bases in DNA?
Adenine, Guanine, Cytosine, and Thymine.
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cookie75
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Re: Crime Busters B

Post by cookie75 »

Tailsfan101 wrote:
cookie75 wrote:Um... all right then...
What are the four nitrogenous bases in DNA?
Adenine, Guanine, Cytosine, and Thymine.
That's correct
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Re: Crime Busters B

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New Question: What is the only way to tell apart salt and sugar?
"Blessed are you when people insult you and persecute you, and falsely say all kinds of evil against you because of Me. Rejoice and be glad, for your reward in heaven is great; for in the same way they persecuted the prophets who were before you." Matthew 5:11-12

I have no regrets.
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Re: Crime Busters B

Post by Benewcomb »

The shape of the granules, and the taste. Salt is mainly cubic, and sugar looks a bit like a fallen column. Of course sugar is sweet, and salt is, well, salty.
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Re: Crime Busters B

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Benewcomb wrote:The shape of the granules, and the taste. Salt is mainly cubic, and sugar looks a bit like a fallen column. Of course sugar is sweet, and salt is, well, salty.
Correct! Your turn. (I don't think we're allowed to taste it)
"Blessed are you when people insult you and persecute you, and falsely say all kinds of evil against you because of Me. Rejoice and be glad, for your reward in heaven is great; for in the same way they persecuted the prophets who were before you." Matthew 5:11-12

I have no regrets.
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Re: Crime Busters B

Post by Benewcomb »

What’s are the differences between wool and silk (when burned)? (Hey girls you doing the curiosity confidence challenge?)
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Re: Crime Busters B

Post by Polarrr »

I think wool has a stronger odor than that of silk, although they are similar. Also, silk stops burning once you take it out of the flame but wool may continue for a bit.
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Re: Crime Busters B

Post by Benewcomb »

Yes! Your turn.
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Re: Crime Busters B

Post by Polarrr »

How do you identify the difference between polyester, nylon, and acrylic in a burn test? How do they differ underneath a microscope?
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