a) Lipids play many important roles in maintaining the health of an organism. i. Explain how lipids are originated in the human body?
a) Lipids play many important roles in maintaining the health of an organism. i. Explain how lipids are originated in the human body?
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question 2.
In biology and biochemistry, lipids are macro-biomolecules, that are soluble in nonpolar
solvents. Lipids have been adopted in cosmetic and food industries as well as in
nanotechnology. Lipids are known as molecules that contain hydrocarbons and make up the
building blocks of the structure and function of living cells. Examples of lipids include fats,
oils, waxes, certain vitamins (such as A, D, E and K), hormones and most of cell membranes
that are not made up of protein.
a) Lipids play many important roles in maintaining the health of an organism.
i.
Explain how lipids are originated in the human body?
ii. Lipids play a role as the building block of cell structure. Suggest another two
functions of lipid.
iii.
Scientist sometimes define lipids as an amphiphilic molecule. Sketch and label the
structure of lipid that reflects the idea of "amphiphilic".
Lipid bilayers generally impenetrable to ions and polar substances. Passive
transport can be divided into simple diffusion and facilitated diffusion. Describe
iv.
the three characteristics for channels and carriers in facilitated diffusion.
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