The options are: 1. glycerophospholipids, fatty acids, wax 2. sphingolipids, triaclyglycerols, isoprenoi 3. sphingolipids, triaclyglycerols, fatty aci dsdses acids
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The options are:
1. glycerophospholipids, fatty acids, wax
2. sphingolipids, triaclyglycerols, isoprenoi
3. sphingolipids, triaclyglycerols, fatty aci
dsdses acids
Step by step
Solved in 3 steps
- A lipid bilayer was prepared from equal amounts of the following lipids: • 1-lauryl-2-palmitoylphosphatidylcholine • 1-myristoyl-2-linoleoylphosphatidylcholine Adding cholesterol to the lipid bilayer prepared above will most likely O decrease bilayer fluidity O increase bilayer fluidity have no effect on bilayer fluidity O destroy the bilayerPeptide bonds are the last bonds to break when collagen proteins are denatured Select one: of O True O False EstionThe approximate thickness of the phospholipid bilayer is 10A 1 micro M 50A 150A 1nM
- At temperatures that are much lower than a lipid bilayer's melting point, adding cholesterol will most likely the fluidity of the bilayer. O increase O maintain O decreaseExplain why a-keratins that have many disulfide bondsbetween adjacent polypeptide chains are much less elasticand much harder than those without disulfide bonds.Which of the following statements about lipids in membranes is FALSE? O Membrane curvature may be controlled by the size of head groups in lipids O Lipids can move laterally within a membrane leaflet O Liposomes are synthesized membrane structures used to study membranes in the laboratory Flexion is when the hydrophobic tails of lipids swing and cross each other O Lipids flip-flop from the inner leaflet to the outer leaflet spontaneously
- Which statement is false? ○ Each chain of collagen adopts a right-handed helix ○ Disulfide linkages modulate the properties of keratin structure. O Modified lysine residues can enhance collagen's durability Silk resists stretching because of its ẞ conformation ○ The polypeptides in a-keratin are mainly in the a-helical conformationFeature Ceulose Collagen Fibrous Monomers joined by condensation reactions Monomers identical Branching a Describe the different berween hydrophobic and hyirophilic using phospholipid moleces as an exampleWhat major type of molecule contributes to the formation of the cell membrane and what biochemical properties of this molecule promotes the formation of the membrane? What effect allows this type of molecule to come together to form a bilayer and explain how the effect works? A▾ B I I e 2 2
- phospholipid bilayer O protein 10 O cholesterol n protein cholesterol Using the diagram above, which component of this membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances" carbohydrate chain carbohydrate chain Ophospholipid bilayerWhich of the following components of the cell membrane is found exclusively in the inner layer of the lipid bilayer? Ocholesterol O glycolipids O charged phospholipids O channels O receptorsA fabric company wants to create a new material based on cell research for the army that is able to bear high levels of tension efficiently. What cellular structure should be the target? Microtubules O Intermediate filaments O Actin filaments O Centriols O Pili