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Study sets matching "biochemistry lipids"

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Study sets matching "biochemistry lipids"

152 terms
Biochemistry Lipids
What part of the cell do lipids occupy?
What group of lipids are responsible f…
Lipids are precursors to what vitamin?
Are lipids soluble in water?
Phospholipid bilayer
Eicosanoids
Vitamin D
No
What part of the cell do lipids occupy?
Phospholipid bilayer
What group of lipids are responsible f…
Eicosanoids
39 terms
Biochemistry - Lipids
Structure of lipids
Lipid nomenclature
Saturated fatty acid
Unsaturated fatty acids
fatty acids which are carboxylic acids with hydrocarbon chains
(# of carbons):(# of double bonds) (delta [superscript] posit…
Maximum number of hydrogen bonds on hydrocarbon chain; no kinks
double bond = reduced amount of hydrogens on chain... causes kin…
Structure of lipids
fatty acids which are carboxylic acids with hydrocarbon chains
Lipid nomenclature
(# of carbons):(# of double bonds) (delta [superscript] posit…
22 terms
Biochemistry: Lipids
What are lipids?
What are lipids' relationship with wat…
What do they dissolve with?
Do lipids form polymers?
all molecules that are non-polar
they are hydrophobic
They are insoluble in polar solvents like water, but they can…
No
What are lipids?
all molecules that are non-polar
What are lipids' relationship with wat…
they are hydrophobic
51 terms
Biochemistry: Lipids
lipids
amphipathic
phospholipids contain (3)
fully saturated fatty acid tails have…
insoluble in h2o ... soluble in non-polar organic solvents
hydrophilic and hydrophobic regions... used to describe membrane
1) phosphate+alcohol polar head ... 2) hydrophobic fatty acid ta…
only single bonds... great van-der-walls forces ... more stable
lipids
insoluble in h2o ... soluble in non-polar organic solvents
amphipathic
hydrophilic and hydrophobic regions... used to describe membrane
41 terms
Biochemistry: Lipids
lipids
open chain lipids
cyclic lipids
fatty acid
-heterogeneous class of naturally occurring organic compounds…
-fatty acids, triacylglycerols, sphingolipids, phosphoacylgly…
-cholesterol, steroid hormones, and bile acids
-an unbranched-chain carboxylic acid... -most commonly 12-20 car…
lipids
-heterogeneous class of naturally occurring organic compounds…
open chain lipids
-fatty acids, triacylglycerols, sphingolipids, phosphoacylgly…
17 terms
Biochemistry-Lipids
Lipids
Function of lipids
Simple Lipids
Hydrolysis of simple lipids
Lipids are biological molecules that are insoluble in water,…
Fuel Molecules, Thermal Instillation, Protection against phys…
Two forms waxes and fats/oils
Hydrolysis: SIMPLE LIPID + H2O ---> ALCOHOL + FATTY ACID(S)
Lipids
Lipids are biological molecules that are insoluble in water,…
Function of lipids
Fuel Molecules, Thermal Instillation, Protection against phys…
86 terms
Lipids Biochemistry
In what solvents are lipids soluble?
Lipid Functions?
Describe Vitamins DEAK
Describe Stearic?
In organic solvents (non-polar solvents)
1. Dietary Energy Source... 2. Adipose Energy Stores... 3. Amphipat…
D=Bones.teeth... E=anti-oxidant, live forever... A=Vision... K=blood c…
18:0
In what solvents are lipids soluble?
In organic solvents (non-polar solvents)
Lipid Functions?
1. Dietary Energy Source... 2. Adipose Energy Stores... 3. Amphipat…
8 terms
Biochemistry; Lipids
lipids
hormones
saturated fats
unsaturated fats
A group of organic compounds composed mostly of carbon and hy…
type of protein that acts as a chemical messengers that trave…
fatty acid chains with only single bonds between carbon atoms…
fatty acid chain with ONE double bond between carbon atoms; c…
lipids
A group of organic compounds composed mostly of carbon and hy…
hormones
type of protein that acts as a chemical messengers that trave…
32 terms
Biochemistry: Lipids
Lipids are the opposite of ______, and…
Name four lipids in the human body.
Stearic acid
Oleic acid (omega-9)
CJWater, hydrophobic
Fatty acids, steroids (i.e. cholesterol), shingolipids, trigl…
18:0
18:1 (w9)
Lipids are the opposite of ______, and…
CJWater, hydrophobic
Name four lipids in the human body.
Fatty acids, steroids (i.e. cholesterol), shingolipids, trigl…
120 terms
Biochemistry Final - Lipids
What are lipids?
What are lipids soluble/not soluble in?
How did lipids get there name?
How do you extract lipids from cells?
Biomolecules that contain fatty acids or a steroid nucleus
Soluble in organic compounds/not soluble in H2O
Named from greek word "lipo" which means fat
Using organic solvents
What are lipids?
Biomolecules that contain fatty acids or a steroid nucleus
What are lipids soluble/not soluble in?
Soluble in organic compounds/not soluble in H2O
57 terms
Biochemistry: Lipids
what is the definition of lipids
how are lipids found in the blood
what is our source of lipids
what are the functions of lipids
hard to make one, but they are usually insoluble in water but…
as lipoproteins
both endogenous (raw materials that are body is able to make…
-structural or functional parts of cell membranes (phospholip…
what is the definition of lipids
hard to make one, but they are usually insoluble in water but…
how are lipids found in the blood
as lipoproteins
58 terms
Biochemistry( Lipids)
Fatty Acids
Proteins
Nucleic acids
carbohydrates
long hydrocarbon chains terminated with carboxylic acid group…
amino acids
nucleotides
monosaccharide
Fatty Acids
long hydrocarbon chains terminated with carboxylic acid group…
Proteins
amino acids
11 terms
biochemistry lipids
(12:0) n-Dodecanoic acid
(14:0) n-Tetradecanoic acid
(16:0) n-Hexadecanoic acid
(18:0) n-Octadecanoic acid
common name is Lauric acid
common name is myristic acid
common name is palmitic acid
common name is stearic acid
(12:0) n-Dodecanoic acid
common name is Lauric acid
(14:0) n-Tetradecanoic acid
common name is myristic acid
15 terms
Biochemistry Lipids
Plasmalogens
sphingolipid
gangliosides
cholesterol
Plasmalogens
sphingolipid
14 terms
Biochemistry: Lipids
Major Elements
Monomers
Bond Types
Polymer Structure / General Characteri…
Carbon, Hydrogen, and Oxygen
glycerol and fatty acids
covalent (ester linkage)
fats: ... - glycerol with 3 fatty acids... - nonpolar, insoluble in…
Major Elements
Carbon, Hydrogen, and Oxygen
Monomers
glycerol and fatty acids
19 terms
Biochemistry: Lipids
Biochemistry: Lipids
Lipids
Functions of lipids: Lipids are essent…
Functions of lipids: Excess lipids in…
...
- Used as an umbrella term for a range of biomolecules such a…
- Contained stored energy that is released when they are brok…
- Negative health arises due to the low solubility that cause…
Biochemistry: Lipids
...
Lipids
- Used as an umbrella term for a range of biomolecules such a…
20 terms
Biochemistry - Lipids
Lipids
The 4 classes of Lipids
Fatty Acids
Vegetable oil and animal fats are...
Biochemical compounds defined by being insoluble in water
1. Fatty acids... 2. Waxes... 3. Phospholipids... 4. Steroids
Carboxylic acid chains
Triglycerides
Lipids
Biochemical compounds defined by being insoluble in water
The 4 classes of Lipids
1. Fatty acids... 2. Waxes... 3. Phospholipids... 4. Steroids
105 terms
Biochemistry: Lipids
Lipids
Lipids
amphipathic
Lipids
a heterogenous class of naturally occurring organic compounds…
insoluble in water, but soluble in aprotic organic solvents i…
Lipids are _____ in nature.
_____ are defined by solubility in nonpolar solvents (physica…
Lipids
a heterogenous class of naturally occurring organic compounds…
Lipids
insoluble in water, but soluble in aprotic organic solvents i…
10 terms
lipids (biochemistry)
functions
types
elements in them
subunits
long term energy, waste proof, insulate, cushion
saturated, unsaturated, phospholipids, steroids
carbon, hydrogen, oxygen (COH)
glycerol backbone... fatty acid chain
functions
long term energy, waste proof, insulate, cushion
types
saturated, unsaturated, phospholipids, steroids
Biochemistry: Lipids
Fatty Acids
Triacylglycerols
Glycerophospholipids
Sphingolipids
...
contain glycerol and three (tri) FA's
amiphipathic
found in cell membranes (particularly neurons
Fatty Acids
...
Triacylglycerols
contain glycerol and three (tri) FA's
52 terms
Biochemistry Lipids
Lipids are either hydrophobic or _____…
Functions of lipids (5):
The simplest lipids are the _________.
Fatty aids responds to the general for…
amphipathic
Long-term energy storage, thermal insulation, form biological…
Fatty acids
R-COOH, Hydrocarbon
Lipids are either hydrophobic or _____…
amphipathic
Functions of lipids (5):
Long-term energy storage, thermal insulation, form biological…
10 terms
Biochemistry-LIPIDS
3 foods that contain mostly lipids
Are lipids chains of smaller molecules?
3 ways living creatures use lipids
3 examples of lipids in living organisms
Dairy milk, bacon, butter
No
Store energy, protects/cushions organs, insulates body
Fats, oils, waxes
3 foods that contain mostly lipids
Dairy milk, bacon, butter
Are lipids chains of smaller molecules?
No
38 terms
Biochemistry:Lipids
4 Molecules of Life
What are lipids?
What do they do?
Classes
1. Nucleic Acids... 2. Proteins... 3. Carbohydrates... 4. Lipids
- Organic compounds that don't dissolve in water but do in or…
-Energy storage ie adipose tissue... -Provide structure eg cells…
1.Fatty acids: ... -Saturated... -Unsaturated... 2.Glycerides:... -Neutr…
4 Molecules of Life
1. Nucleic Acids... 2. Proteins... 3. Carbohydrates... 4. Lipids
What are lipids?
- Organic compounds that don't dissolve in water but do in or…
15 terms
Biochemistry: Lipids
Tay Sachs Deficiency
Tay Sachs Accumulation
Fabry's Deficiency
Fabry's Accumulation
Hexosaminidase A
Ganglioside Gm2
alpha galactosidase A
trihexosides
Tay Sachs Deficiency
Hexosaminidase A
Tay Sachs Accumulation
Ganglioside Gm2
9 terms
Biochemistry: Lipids
What do all lipids have in common?
Lipids - Saturated
Lipids - Unsaturated
How are triglycerides formed?
Long chains of hydrocarbons and few oxygens
Carbon chain linked with as many hydrogens as possible
Double bond in chain (bent)
3 fatty acids and glycerol through esterification. Ester bond…
What do all lipids have in common?
Long chains of hydrocarbons and few oxygens
Lipids - Saturated
Carbon chain linked with as many hydrogens as possible
124 terms
Biochemistry-Lipids
What are lipid classes usually defined…
What is the main component that contri…
What does it mean that lipids have no…
What does the lack of functional group…
solubility
their hydrophobicity (insoluble in water) (soluble in organic…
they have no structural template and thus are extremely varie…
they lack charged functional groups thus have a lack of overa…
What are lipid classes usually defined…
solubility
What is the main component that contri…
their hydrophobicity (insoluble in water) (soluble in organic…
9 terms
Biochemistry: Lipids
What are lipids?
Lipids are hydrophobic- what does this…
What is the primary function of fats?
What is the chemical composition of fa…
Naturally occurring molecules. They are diverse and grouped t…
Hydrophobic means water-fearing. (It is repelled from water)
Fat is stored for energy.
Saturated and Unsaturated.
What are lipids?
Naturally occurring molecules. They are diverse and grouped t…
Lipids are hydrophobic- what does this…
Hydrophobic means water-fearing. (It is repelled from water)
76 terms
Biochemistry - Lipids
Saponification
SAPONIFIABLE LIPIDS
Fatty Acids
Capric acid
Hot sodium hydroxide catalyzes the hydrolysis of Ester Bonds,…
large water insoluble molecules composed of smaller water... sol…
long chain monocarboxylic acids containing a minimum of eight…
10:0
Saponification
Hot sodium hydroxide catalyzes the hydrolysis of Ester Bonds,…
SAPONIFIABLE LIPIDS
large water insoluble molecules composed of smaller water... sol…
29 terms
Biochemistry Lipids
Lipid functions
alpha linolenic acid (ALA)
alpha linoleic acid (LA)
Important fatty acids
-energy storage & transport... -cellular binding & recognition... -…
18 carbon molecule with C=C at 3rd carbon from the end
18 carbon molecule with C=C at 6th carbon from the end
-arachidonic acid (AA)- involved in many biological functions…
Lipid functions
-energy storage & transport... -cellular binding & recognition... -…
alpha linolenic acid (ALA)
18 carbon molecule with C=C at 3rd carbon from the end
16 terms
Lipids- Biochemistry
Lipids
Fatty acid
Saturated fat
Unsaturated fat
-A non polar compound that is made mostly of carbon and hydro…
Long chain of C and H
-All singled bonded ... -Contain max # of H's... -Solid at room tem…
-Have a C=C double bond... -C=C causes a kink in the hydrocarbon…
Lipids
-A non polar compound that is made mostly of carbon and hydro…
Fatty acid
Long chain of C and H
Biochemistry- Lipids
What are lipids?
What are the monomer units of lipids?
What are the characteristics of satura…
What do saturated fats look like?
Lipids are large, non-polar, hydrophobic, fatty compounds tha…
The monomer units of lipids are fatty acids and alcohols.
Saturated fats are from animals (fats), fully saturated with…
A saturated fat is a long chain of carbon and hydrogen, with…
What are lipids?
Lipids are large, non-polar, hydrophobic, fatty compounds tha…
What are the monomer units of lipids?
The monomer units of lipids are fatty acids and alcohols.
22 terms
Biochemistry - Lipids
Definition of Lipids
Functions of Lipids
3 major dietary lipids
Classification of Lipids
heterogenous groups of compounds related more physically than…
• storage form of E... • supply of fat-soluble vitamins... • supply…
• Triacylglecerol (TAGs)... • Cholesterol... • Phospholipids
• Simple... -- esters of fatty acids w/ various -OHs... i) fats, ii…
Definition of Lipids
heterogenous groups of compounds related more physically than…
Functions of Lipids
• storage form of E... • supply of fat-soluble vitamins... • supply…
17 terms
Biochemistry Lipids
Serum Albumins
adipocytes
advantage of storing energy in lipids
Fatty acids in food
cluster around fatty acids in the blood
store large amounts of TAG's
Carbon atoms highly reduced, hydrophobic molecules are not hy…
process food is saturated, once cooked becomes trans fatty acid
Serum Albumins
cluster around fatty acids in the blood
adipocytes
store large amounts of TAG's
Biochemistry Lipids
Lipid functions
alpha linolenic acid (ALA)
alpha linoleic acid (LA)
Important fatty acids
-energy storage & transport... -cellular binding & recognition... -…
18 carbon molecule with C=C at 3rd carbon from the end
18 carbon molecule with C=C at 6th carbon from the end
-arachidonic acid (AA)- involved in many biological functions…
Lipid functions
-energy storage & transport... -cellular binding & recognition... -…
alpha linolenic acid (ALA)
18 carbon molecule with C=C at 3rd carbon from the end
24 terms
Biochemistry lipids
Lare nonpolar organic molecules that a…
High concentrations of hydrogen and ca…
Efficient and great
Fatty acids and glycerol
What is a lipid?
What is the ratio of lipids?
How is their storage of energy?
What are lipids monomers?
Lare nonpolar organic molecules that a…
What is a lipid?
High concentrations of hydrogen and ca…
What is the ratio of lipids?
35 terms
Biochemistry - Lipids
hydrocarbons; carboxylic acid
false, they are both hydrophobic and h…
glyceryl ester
sphingolipids
where does the "fatty" in fatty acids come from? The "acid"?
true/false?... fatty acids are hydrophobic, not hydrophilic
which lipid class is being described?... glycerol backbone, est…
which lipid class is being described?... fatty acids with sphin…
hydrocarbons; carboxylic acid
where does the "fatty" in fatty acids come from? The "acid"?
false, they are both hydrophobic and h…
true/false?... fatty acids are hydrophobic, not hydrophilic
22 terms
Biochemistry Lipids
What are the building blocks of lipids?
What are the elements in lipids?
What are the functions?
what are some examples?
Fat: Glycerol + 3 fatty acids... Phospholipid: Glycerol + 2 Fatt…
CHO ... P (in PO4) in phospholipids only
1. store energy (fats and oils)... 2. protect organs (insulators…
fats, waxes, and oils... (cholesterol and sex hormones are assoc…
What are the building blocks of lipids?
Fat: Glycerol + 3 fatty acids... Phospholipid: Glycerol + 2 Fatt…
What are the elements in lipids?
CHO ... P (in PO4) in phospholipids only
13 terms
Lipids (Biochemistry)
Lipid
6 primary types of lipids in body are
Fatty acid
Triglycerides
Hydrophobic organic molecule
Fatty acids, triglycerides, phospholipids, eicosanoids, stero…
Precursor of triglycerides; source of energy
Energy storage; also insulation & shock absorption
Lipid
Hydrophobic organic molecule
6 primary types of lipids in body are
Fatty acids, triglycerides, phospholipids, eicosanoids, stero…
16 terms
Lipids Biochemistry
What is Beta Oxidation?
Describe the process of Beta Oxidation
Compare the amount of ATP produced in…
How are ketone bodies formed?
Break down of fatty acids in the liver mitochondria to produc…
Fatty acids are added to Coenzyme A using ATP.... Acetyl CoA mol…
Beta oxidation depends on length of C chain... Aerobic = 32 ATP…
Acetyl-CoA doesn't enter TCA cycle eg. if intermediates are u…
What is Beta Oxidation?
Break down of fatty acids in the liver mitochondria to produc…
Describe the process of Beta Oxidation
Fatty acids are added to Coenzyme A using ATP.... Acetyl CoA mol…
61 terms
Biochemistry Lipids
Three different kinds of Lipids
Fatty acids
General structure of fatty acid
Configuration of double bond in unsatu…
Storage of energy, Structural support, Specific function
Saturated... Unsaturated - mono - poly
carboxyl group + long hydrocarbon
ALWAYS in Cis... NEVER conjugated
Three different kinds of Lipids
Storage of energy, Structural support, Specific function
Fatty acids
Saturated... Unsaturated - mono - poly
22 terms
Biochemistry- Lipids
What are the 3 main functions of lipids?
What are the 3 possible configurations…
What is the abbreviated naming format…
What would be the abbreviated name for…
1) Essential components of biological membranes... 2) Energy sto…
1) Saturated- all single bonds, solid at room temp (fats)... 2)…
# of carbons : # of cis bonds (delta) (location of carbon). E…
18:1c(delta)7 1t(delta)12
What are the 3 main functions of lipids?
1) Essential components of biological membranes... 2) Energy sto…
What are the 3 possible configurations…
1) Saturated- all single bonds, solid at room temp (fats)... 2)…
19 terms
Biochemistry- Lipids
What elements do lipids consisit of ?
What enzyme is used to break down lipi…
What are the two components of triglyc…
What is the name give to the bonds tha…
Carbon, hydrogen and oxygen
Lipase
Glycerol and 3 fatty acids
Ester bonds
What elements do lipids consisit of ?
Carbon, hydrogen and oxygen
What enzyme is used to break down lipi…
Lipase
35 terms
Biochemistry--Lipids.
Lipids are a heterogeneous class of mo…
what are three functions of lipids?
what are some specific examples of lip…
what are fatty acids composed of?
low,high
1. Energy Stores... 2. Components of biological membranes... 3. Sig…
Fats, Oils, Membrane Lipids, some Vitamins and Hormones.
Lipids are composed of a long hydrocarbon chain(tail) , with…
Lipids are a heterogeneous class of mo…
low,high
what are three functions of lipids?
1. Energy Stores... 2. Components of biological membranes... 3. Sig…
35 terms
Biochemistry Lipids
How are lipids different from nucleic…
How do lipids form?
What are the 3 major biological functi…
What are FAs?
They are not polymeric
They aggregate
- Biological membranes (glycerophospholipids) ... - Energy store…
Fatty Acids
How are lipids different from nucleic…
They are not polymeric
How do lipids form?
They aggregate
25 terms
Biochemistry - Lipids
Functions of Lipids and Fatty acids
What is a fatty acid
What will happen to the melting point…
What will happen to the melting point…
Store energy... Form membranes... Carry Information and Signal... Serv…
Carboxylic acid with a long hydrocarbon chain
Melting point will rise.
Melting point will fall
Functions of Lipids and Fatty acids
Store energy... Form membranes... Carry Information and Signal... Serv…
What is a fatty acid
Carboxylic acid with a long hydrocarbon chain
43 terms
Lipid Biochemistry
Lipid:... Definition... In what environment…
Lipids are diverse therefore how do we…
Saponifiable lipid vs nonsaponfiable l…
What does amphiphathic mean? Examples?…
diverse group of chemicals that are related b/c they are INSO…
-by biological function... -by saponification
saponifiable:... -has atleast one ester... -can be hydrolyzed (aka…
has hydrophobic and hydrophilic portions of molecule... -some li…
Lipid:... Definition... In what environment…
diverse group of chemicals that are related b/c they are INSO…
Lipids are diverse therefore how do we…
-by biological function... -by saponification
Biochemistry II- Lipids
Lipid
C, H, O
Fats
Oils
Fats, oils & waxes, energy source & cell membrane component
Elements found in lipids
Lipids that are solid at room temperature
Lipids that are liquid at room temperature
Lipid
Fats, oils & waxes, energy source & cell membrane component
C, H, O
Elements found in lipids
423 terms
C10 Lipids Biochemistry
Structure of lipids
Lipid nomenclature
Saturated fatty acid
Unsaturated fatty acids
fatty acids which are carboxylic acids with hydrocarbon chains
(# of carbons):(# of double bonds) (delta [superscript] posit…
Maximum number of hydrogen bonds on hydrocarbon chain; no kinks
double bond = reduced amount of hydrogens on chain... causes kin…
Structure of lipids
fatty acids which are carboxylic acids with hydrocarbon chains
Lipid nomenclature
(# of carbons):(# of double bonds) (delta [superscript] posit…
9 terms
Biochemistry (lipids)
examples of lipids
structure
elements
saturated
fats, oils, sterols
fatty acid tail and glycerol molecule
carbon, hydrogen, oxygen
solid at room temperature
examples of lipids
fats, oils, sterols
structure
fatty acid tail and glycerol molecule
14 terms
Biochemistry: Lipids
Lipid Elements
Lipid's made of...
Lipid Use
Lipid Use
Carbon... Hydrogen... Oxygen
Glycerol Molecule... 2 Fatty Acids
Energy Storage
Steroid Hormone
Lipid Elements
Carbon... Hydrogen... Oxygen
Lipid's made of...
Glycerol Molecule... 2 Fatty Acids
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