Cell Biology C

Test your knowledge of various Science Olympiad events.
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watermydoing14
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Cell Biology C

Postby watermydoing14 » August 30th, 2015, 8:02 pm

Another year of cell bio! Nice!

What is the difference between light microscopy and electron microscopy, and what are some uses for each?
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Re: Cell Biology C

Postby panther21azula » October 4th, 2015, 2:42 pm

The light microscope send light through the specimen while the electron microscope sends electrons through the specimen. Light microscopes are generally weaker, but can be used to look at living things. Electron microscopes kill the specimen.
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Re: Cell Biology C

Postby watermydoing14 » October 5th, 2015, 1:04 pm

Correct! Your turn
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Re: Cell Biology C

Postby watermydoing14 » October 21st, 2015, 11:10 pm

I'll get this going again!

How do lithotrophic organisms get energy for cellular processes?
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Re: Cell Biology C

Postby amp 3914 » November 4th, 2015, 4:10 pm

What is a programmed cell death?

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Re: Cell Biology C

Postby watermydoing14 » November 4th, 2015, 6:20 pm

What is a programmed cell death?
This explains how question marathons work: http://www.scioly.org/phpBB3/viewtopic.php?f=217&t=8011
Programmed cell death is known as apoptosis. It is a highly regulated process that can be beneficial in multicellular organisms, for example, in the separation of fingers. When there is an insufficient amount of apoptosis in the cells, it can lead to unregulated cell proliferation, or cancer.
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Re: Cell Biology C

Postby Uber » January 4th, 2016, 8:26 pm

I wish more people answer cell bio D:
Let's get this going again
I'll get this going again!

How do lithotrophic organisms get energy for cellular processes?
Lithotrophs obtain energy using inorganic compounds through processes like carbon fixation, nitrogen fixation, or sulfur fixation.
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watermydoing14
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Re: Cell Biology C

Postby watermydoing14 » January 5th, 2016, 1:23 pm

I wish more people answer cell bio D:
Let's get this going again
I'll get this going again!

How do lithotrophic organisms get energy for cellular processes?
Lithotrophs obtain energy using inorganic compounds through processes like carbon fixation, nitrogen fixation, or sulfur fixation.
Correct! Your turn! (Glad someone finally answered my question)
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Re: Cell Biology C

Postby Uber » January 5th, 2016, 7:32 pm

Why glycine often the most evolutionary conserved amino acid? (One hypothesis)
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Re: Cell Biology C

Postby finagle29 » January 5th, 2016, 8:33 pm

Why glycine often the most evolutionary conserved amino acid? (One hypothesis)
It's because glycine is the simplest possible amino acid, having just an atom of hydrogen as its side chain?
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