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Posts tagged cell wall

April 17, 2015

 

Cell from Elodea plant as seen under a microscope

Can You Recognize a Plant Cell?

Take a tour of a plant cell to help you synthesize how photosynthesis works.

April 14, 2015

 

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Can Bacteria Get Sick?

Bacteriophages turn the table on bacteria and the hunter becomes the hunted.

February 19, 2013

 

Have you ever tried to freeze lettuce? What happened?

Why Lettuce Should NOT Be Frozen

A Moment of Science wonders, why isn't there any frozen lettuce?

November 29, 2011

 

Reach for rubbing alcohol when you want to clean a wound.

Why Does Rubbing Alcohol Make A Good Antiseptic?

Oddly enough, a solution of 70% alcohol, that is, rubbing alcohol, is a more effective antiseptic than 100% alcohol. Another case of where more is not better.

March 16, 2011

 

How Do Antibiotics Know Where To Target?

Our bodies are also made up of living cells, the antibiotics have to distinguish between the cells in our bodies and the cells of the bacteria.

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