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Biology 60 Online
OpenStudy (blind_love149):

The characteristics that best describe the tail of a phospholipid molecule are _____? a. neutral charge, nonpolar, and hydrophobic b. negative charge, polar, and hydrophilic c. negative charge, nonpolar, and hydrophobic d. neutral charge, polar, and hydrophobic

OpenStudy (rushwr):

I think it should be D

OpenStudy (blind_love149):

are you sure...

OpenStudy (starlord1):

neutral

OpenStudy (rushwr):

I guess soo

OpenStudy (blind_love149):

is this polar or non polar

OpenStudy (rushwr):

Polar !

OpenStudy (anonymous):

neutral charge, polar,

OpenStudy (blind_love149):

guys, I got it wrong

OpenStudy (rushwr):

It should be D

OpenStudy (blind_love149):

all thses geniuses got this question worng, it is not nuetral and polar

OpenStudy (rushwr):

the fatty acid tail is hydrophobic.

OpenStudy (blind_love149):

no it isent I'm not sure what it is but I'm retaking the test now sooo... :(

OpenStudy (blind_love149):

I'm sorry but I dont know what that means, lol... and it is not b or d or c, I think it's a, because if it's neutral... then it has to be nonpolar if it is not d

OpenStudy (rushwr):

Try A Cuz I figured out my mistake Even though I was reading I thought they asked for the head.

OpenStudy (blind_love149):

ya, ok thank you :)

OpenStudy (rushwr):

That is the fatty acid tail so it is neutral, nonpolar and hydrophobic.

OpenStudy (anonymous):

Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol. The phosphate group is the negatively-charged polar head, which is hydrophilic. The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic. Since the tails are hydrophobic, they face the inside, away from the water and meet in the inner region of the membrane. from my notes

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