After eating half of a banana as a snack, you decide to save the rest for later. There are two types of plastic wrap in your
house, and you use one to cover the banana. In an hour, you return and find that your banana half has browned
significantly despite being saved in plastic wrap. You discover that one of the plastic wraps is made of polyvinyl,
and the
other is made of polyethylene.
Which plastic wrap could have caused this browning effect, and why?

Question

07-09-2021
Biology

Answered

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After eating half of a banana as a snack, you decide to save the rest for later. There are two types of plastic wrap in your
house, and you use one to cover the banana. In an hour, you return and find that your banana half has browned
significantly despite being saved in plastic wrap. You discover that one of the plastic wraps is made of polyvinyl,
and the
other is made of polyethylene.
Which plastic wrap could have caused this browning effect, and why?

Sagot :

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batolisis batolisis · Answer 1 · 2021-09-10T11:44:18-04:00

The plastic wrap that could have caused the browning effect is the ; Plastic wrap made of polyethylene

Ethylene is a multifunctional phytohormone that regulates growth and senescence ( softening and ripening of fruits ) in plants. Ethylene is a gaseous substance produced by fruits after they are harvested, which accelerates the softening and ripening of the fruits.

The browning of the banana will mostly likely be caused by the presence of the ethylene in the polyethylene plastic wrap.

Hence the plastic wrap that could have caused the browning effect on the banana is the polyethylene plastic wrap.

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Sagot :

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