Lesson 6 (part 9 - pg. 163 of the course book)

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931287m
Posts: 39
Joined: Mon Mar 11, 2019 1:43 pm

Lesson 6 (part 9 - pg. 163 of the course book)

Post by 931287m » Sat Apr 13, 2019 9:02 pm

In lesson 6, it is said that phospholipids will form into micelles in aqueous environments in the human body

However, on page 29 of the bio review book, the explanation to question 4 states that in aqueous environments, phospholipids do not form spherical micelles. It says it is because phospholipids are too bulky to orient themselves into a micelle

So I'm confused whether or not they're able to do this based on these seemingly contradicting statements

Thank you!
NS_Tutor_Will
Posts: 512
Joined: Fri May 25, 2018 9:15 am

Re: Lesson 6 (part 9 - pg. 163 of the course book)

Post by NS_Tutor_Will » Sun Apr 14, 2019 4:08 pm

Most phospholipids form bilayers in an aqueous environment, which is definitely reassuring considering our cellular existence is depending on that fact!

There are certain phospholipids that can form micelles, though the tendency is to form sheets.

More here (https://www.ncbi.nlm.nih.gov/books/NBK22406/) if you're curious!
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