There is a "primary driving force" behind protein folding (to form tertiary structure). This driving force can be used to explain below phenomenon except: O water has a high density and a high boiling temperature O non-polar amino acids go inside a protein long chain fatty acids form micelles oil spills go to the surface of water

There is a "primary driving force" behind protein folding (to form tertiary structure). This driving force can be used to explain below phenomenon except: O water has a high density and a high boiling temperature O non-polar amino acids go inside a protein long chain fatty acids form micelles oil spills go to the surface of water

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section: Chapter Questions

Problem 9TYU: Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary...

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which of the following is correct about protein hydration? a- hydrophobic pathces are hydrated first followed by exposed polar side chains. b- the monolayer water that hydreates proteins are those that hydrate ionic, polar, and nonpolar amino acids on the surface of the protein c- polar amino acids are the first hydrated followed by ionic aminio acids d- hydration of hydrophoic patches in proteins is not possible
A phospholipid can be used to do all the following except O Increase the fluidity with the presence of unsaturated fatty acid tails. create a bi-layer membrane using amphipathic properties. form a micelle using a single layer and a hydrophobic core. O connect to a glycerol molecule to create a triacylglyceride.
Why might adding a strong reducing agent like Dithiothreitol (DTT) help denature an extracellular protein? O Disulfide bonds might be reduced that might be critical in stabilizing its structure O Disulfide bonds might be oxidized that might be critical in stabilizing its structure O Disulfide bonds formed inside the cytoplasm can be oxidized O Cysteines can be reduced to form stabilizing disulfide bonds
Match lipid descriptions in column A with the phospholipid types in column B. H is attached to the phosphate group bound to C3 of glycerol backbone An amino acid is attached to the phosphate group bound to C3 of glycerol backbone A primary ammonium ion is found in its structure A quaternary ammonium ion is found in its structure A. phosphatidylethanolamine B. glycerophospholipid C. phosphatidylcholine D. phosphatidylserine
H "H H H HO Choose all of the following are true of the given structure? (Choose all of the correct answers)
Give the force of interaction involved in the protein folding of the protein structure A and C: COO CH,C-N-H• • •0- Pleated sheet structure A H C Helical structure CH3 CH3 - CH3 -CHCH,CH, CH- CH, CH3 (CH,),NH, -0-CCH,- C=0..•HN CH, CH, CH,CH CH,CH CH, CH, CH OH 0=C -CH,-S,S-CH,- H,Ñ Structure A: H-bonding: Structure C: Van der Waals O Structure A: Covalent interaction; Structure C: dipole-dipole interaction O Structure A: Salt bridge: Structure C: H-bonding Structure A: Hydrophobic interaction; Structure C: ionic interaction 00000 B
Which of the following is the primary driving force for protein folding? disulfide bridges internal hydrogen-bonds the hydrophobic effect Van der Waals forces O salt bridges
Feature Ceulose Collagen Fibrous Monomers joined by condensation reactions Monomers identical Branching Describe the differeni between hydrophobic and hyrophilic using phospholipid molecues as an example
Part A What is the highest structural level of protein structure represented in the following image? primary quaternary secondary pentanary tertiary O O
Protein structure is directly related to function. Which of the following statements is true regarding this concept ? Polypeptide backbone -CH2 – CH, – CH2- CH2- NH3 0-c- CH - CH2 lonic bond Hydrogen ! bond C- NH2 Disulfide linkage CH CH2 HạC CH3 CH3 H3C CH -CH2 Hydrophobic interactions A. The primary structure consists of the DNA sequence. The secondary and tertiary structures are dependent on interactions between the DNA and RNA polymerase. Mutations resulting in changes one or more bases has the potential to destroy the structure, and therefore the function, of the protein. B. The primary structure consists of the amino acid sequence. The secondary and tertiary structures are dependent on interactions between the amino acid side chains. Mutations resulting in changes one or more amino acids has the potential to destroy the structure, and therefore the function, of the protein. C. The primary structure consists of the DNA sequence. The secondary structure consists of the amino acid…
Which of the following are important factors in the folding of globular proteins in the cytosol? Select as many as apply. Non-polar side chains are normally found on the exterior of proteins Proteins are hydrophobic polymers The cytosol is an aqueous environment. Non-polar side chains tend to group together away from water Proteins are composed of nucleotides Proteins contain both polar and non-polar side chains Peptide bonds are very weak and easily broken
A protein engineer was tasked to design a polypeptide chain that has an a-helical stretch that needs to span a lipid bilayer. The lipid bilayer has an average thickness of 40 angstroms. How many amino acid residues should the engineer include in the a-helical portion of the polypeptide chain that she is designing so that the helical portion will most closely match the thickness of the lipid bilayer? O 20 O 27 O 30 O 10