Mainly having trouble with which ones don't contain glycerol. ### Understanding Membrane LipidsComplete the sentences describing membrane lipids by selecting the appropriate names from the list. Some lipids may be used more than once, and some sentences will require you to place two or three lipids.1. **Phosphoglycerides** include two fatty acids joined to glycerol by ester linkages.2. **Sphingomyelin** does not contain glycerol.3. **Cholesterol** is a steroid.4. **Sphingomyelin** contains a sphingosine backbone.5. **Glycolipids** contain one or more sugars.6. **Archaeal lipids** usually have branched alkyl chains.#### Answer Bank- Phosphoglycerides- Sphingomyelin- Cholesterol- Glycolipids- Archaeal lipidsUse this information to understand how different types of lipids contribute to membrane structure and function.

Lipids are the only group of macromolecules which is composed of structurally different species on the basic level, unlike proteins, carbohydrates and nucleic acids. Species are categorized as a 'lipid' based on their hydrophobicity i.e. lipids are a group of species with a predominantly hydrophobic character. A few of these lipids are what makes up biological membranes. These membarnes lipids are further categorized into 4 groups;Phospholipids GlycolipidsArchael ether lipidsSterolsPhospholipids have a backbone molecule esterified to fatty acids and also to a phosphate moeity. Phospholipids can further categorided into 2, based on the backbone molecule it contains. Phospholipids with a glycerol molecule as its backbone is called phosphoglycerides (also called as glycerophospholipids), while phospholipids with a sphiogosine backbone is called sphigolipids.In phosphoglycerides, 2 fatty acids are esterified to a glycerol. Gycerol is also linked to a phosphate unit here.Sphingomyelin is a type of sphigolipid.Gycolipids have one or more sugar units in them. They can have either a sphingosine backbone or a glycerol backbone.Archael lipids stand out as they have branched alkyl chains. Most archael membrane lipids have 2 glycerol molecules in them.Sterols are found in most eukaryotic membranes. Their stand out structural character is the presence of a steroid nucleus. Examples of membrane sterols are cholesterol in animals, stigmasterol in plants and ergosterol in fungi. Bacteria cannot synthesize sterols on their own, but some bacteria are known to incorporate exogenous sterols into their membranes.

Science

Biochemistry

Complete the sentences describing membrane lipids by moving the names of the lipids to the appropriate sentence. Some lipid will be used more than once, and some sentences will require you to place two or three lipids. phosphoglycerides include two fatty acids joined to glycerol by ester linkages. sphingomyelin cholesterol sphingomyelin glycolipids archaeal lipids do not contain glycerol. is a steroid. contain a sphingosine backbone. contain one or more sugars. usually have branched alkyl chains. Answer Bank phosphoglycerides sphingomyelin cholesterol glycolipids archaeal lipids

Complete the sentences describing membrane lipids by moving the names of the lipids to the appropriate sentence. Some lipid will be used more than once, and some sentences will require you to place two or three lipids. phosphoglycerides include two fatty acids joined to glycerol by ester linkages. sphingomyelin cholesterol sphingomyelin glycolipids archaeal lipids do not contain glycerol. is a steroid. contain a sphingosine backbone. contain one or more sugars. usually have branched alkyl chains. Answer Bank phosphoglycerides sphingomyelin cholesterol glycolipids archaeal lipids

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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