what are lipids | Lipids flashcards

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what is a lipid? lipid is an water insoluble biochemical molecule, but it is soluble in nonpolar solvent
Are lipids naturally occurring? Lipids are naturally occurring organic compounds, commonly known as oils and fats
What are the characteristics of lipids? lipids are relatively insoluble in water, but they are freely soluble in organic solvents like ether, acetone and benzene
what are lipids used for? lipids are used as storage compounds, triglycerides serve as reserve energy for the body
what are unsaturated fatty acids structurally composed of? fats and oils
fats and oils are also called? they also called triacylglycerols or triglycerides, and they are glycerol triesters
what are fatty acids? they are carboxylic acids with long chain hydrocarbon chains
are fatty acids saturated or unsaturated? they can either be saturated or unsaturated.
what are saturated fatty acids? saturated fatty acids can pack more tightly, and remain in solid form at room temperature.
what are unsaturated fatty acids? Unsaturated fatty acids are not as tightly packed as saturated fatty acids and are liquid at room temperature.
when fatty acids are dissolved in water, they form? Micelle, where the polar region is the outer side of the sphere and the non-polar region forms the center of the sphere.
what side group is present in fatty acids? a carboxyl group
which bonds are present in fatty acids? covalent bonds
what is hydrogenation? Hydrogenation is the adding of hydrogen atoms to unsaturated fatty acids. This makes the liquid fats more solid. This process is used to make margarine
what is a stearic acid? it is a saturated fatty acid with 18 carbons in the chain
what is an Oleic acid? it is unsaturated fatty acid with 18 carbons in the chain
what is a Cis-fatty acid? it is when the hydrogens are on the same side of the double bond, they are naturally occuring
what is a Trans-fatty acid? it is when the hydrogens are on opposite sides of the double bond, they are normally linear and occur in partially hydrogenated foods
how are triglycerides formed? by the bonding of fatty acids and a glycerol molecule
what are triglycerides also known as? triacylglycerols
what is glycerol? Glycerol is a 3 carbon alcohol that is used to form triglycerides
fats are stored as? triglycerides
what serves as the backbone for triglycerides? glycerol
How are triglycerides broken down to produce energy? by hydrolysis or dehydration
give an example of a triglyceride that is rich in unsaturated fatty acids and liquid in room temperature? oils
give an example of a triglyceride that is rich in saturated fatty acids and are generally semi-solids at room temperature? fats
what are phospholipids? they are similar to triglycerides but contain a phosphate group and a choline in place of the fatty acid
what is the structure of phopholipids? the 3rd hydroxyl group of glycerol is linked to a phosphate group
what are sterols? sterols are lipids that contain many rings of carbon atoms.

what is a lipid?

Are lipids naturally occurring?

What are the characteristics of lipids?

what are lipids used for?

what are unsaturated fatty acids structurally composed of?

fats and oils are also called?

what are fatty acids?

are fatty acids saturated or unsaturated?

what are saturated fatty acids?

what are unsaturated fatty acids?

when fatty acids are dissolved in water, they form?

what side group is present in fatty acids?

which bonds are present in fatty acids?

what is hydrogenation?

what is a stearic acid?

what is an Oleic acid?

what is a Cis-fatty acid?

what is a Trans-fatty acid?

how are triglycerides formed?

what are triglycerides also known as?

what is glycerol?

fats are stored as?

what serves as the backbone for triglycerides?

How are triglycerides broken down to produce energy?

give an example of a triglyceride that is rich in unsaturated fatty acids and liquid in room temperature?

give an example of a triglyceride that is rich in saturated fatty acids and are generally semi-solids at room temperature?

what are phospholipids?

what is the structure of phopholipids?

what are sterols?

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