DC Chem Chapter 18
Terms in this set (40)
One important function of lipids is that they are a protective ____ coating on some plants.
Lipids are biological compounds that are soluble only in ____ solvents.
_____ lipids contain one or more fatty acids and an alcohol.
_____ lipids are ester-containing lipids with more than two types of components: an alcohol, fatty acids, and other components.
______ lipids do not contain an ester and cannot be hydrolyzed.
In water, fatty acids will form spherical clusters called _____.
Which of the following is not usually true about Fatty acids?
usually an odd number of carbons
______ fatty acids are those needed by the body, but not synthesized within the body in adequate amounts.
For humans, linoleic and linolenic acid are essential, but easily obtainable from plant
and fish ____.
Linoleic and Linolenic acids are used to produce hormonelike substances that regulate functions and characteristics. Which of the following is not a function or characteristic that is regulated by the two acids.
What is the common source of fat?
What form do oils take at room temperature?
Higher cholesterol is a risk factor in the development of.
coronary heart disease
____ is important for fat and oil digestion.
____ is soap making.
___ are esters of fatty acids and long chain alcohols.
What does traditional soap making use as a source of triglycerides.
Traditional soap making was lost with the fall of the ____ empire.
____ is used to make margarines from oils.
Current dietary advice includes reducing the consumption of ___.
Sphingolipids are ___ lipids that contain sphingosine rather than glycerol.
This type of sphingolipid contains a phosphate and choline group.
Glycolipids are most commonly found in abundances in which organ?
A structure within a cell that has a specific role?
Almost all membranes are ___ lipid and ___ protein.
Membranes contain of these lipids EXCEPT
Prokaryotic cells are unicellular. True or False
Eukaryotic cells contain membrane-enclosed organelles. True or False?
Glycerol, fatty acids, phosphoric acid, and alcohol are located in a _____.
Lecithins are especially found in brain tissue. True or False?
The most abundant steroid is?
A _______ is a chemical messenger secreted by specific glands & carried through the blood to a target tissue?
___________ are male sex hormones, produced by the testes, including testosterone.
What color is bile?
What molecules are free to move laterally within the bilayer?
_________ are female sex hormones, produced by ovaries, including estrogen.
What are two major categories of steroid hormones?
adrenocortical and sex hormones
What do bile salts emulsify?
The cholesterol level in bile is too ____.
The concentration of bile salts is too _____.
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