SOLVED: Which one of the following statements is TRUE for porin? Select all that apply: These proteins are integral membrane proteins. These proteins will have polar amino acids within the transmembra

MEMBRANE PROTEINS – Types and Functions
MEMBRANE PROTEINS – Types and Functions

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Which one of the following statements is TRUE for porin?
Select all that apply: These proteins are integral membrane proteins.
These proteins will have polar amino acids within the transmembrane structure.
Some portions of the transmembrane surface of the protein will be hydrophobic.
Most of the regular secondary structure will be found in beta-sheets.

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03:40

Which statements are accurate regarding membrane proteins?Choose ALL that apply. Membrane proteins often have alpha helices in the regions that span the membrane because the protein backbone is nonpolar.Membrane proteins that are monolayer-associated are covalently linked to lipids.An alpha helix of a transmembrane protein would probably have hydrophobic amino acids in the alpha helix region of the protein.In a beta barrel that is part of a transmembrane protein, amino acids whose R groups are in the middle of the barrel are probably hydrophilic.

02:06

Which of the following statements is TRUE of integral membrane proteins?They are easily dissociated from the membrane by changes in pH or salt concentration. They associate with the nonpolar core of the lipid bilayer by the hydrophobic effect. All integral membrane proteins are equally free to laterally diffuse in the plane of the membrane. All integral membrane proteins have one or more transmembrane domains. All of the above statements are true of integral membrane proteins.

01:45

Which of the following statements about the structures of water-soluble proteins are NOT true? (mark all that apply) They contain tightly packed amino acids in their interior. Most of their nonpolar amino acids face the aqueous solvent. The backbone NH and CO groups are often involved in hydrogen-bonded secondary structures in the interior of the protein. Polar amino acids such as His and Ser may be found in the interior of the protein if these residues have specific functional roles. All of these proteins contain beta-sheet structural motifs.

01:32

Which of the following statements are true concerning various protein structures?Select one or more:A primary structure is a unique sequence of amino acids.Interactions between the groups in amino acids form the tertiary structure.Secondary structures are formed by a single polypeptide chain.Proteins in quaternary structure consist of multiple polypeptide chains.The two types of secondary structures are helices and β pleated sheets.

02:24

Which of the following statements regarding membrane protein function is false?Membrane proteins serve a5 enzymes Membrane proteins act as receptors to molecules Iike hormones; Membrane proteins form junctions between cells. Membrane proteins produce phospholipids.

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You are watching: SOLVED: Which one of the following statements is TRUE for porin? Select all that apply: These proteins are integral membrane proteins. These proteins will have polar amino acids within the transmembra. Info created by THVinhTuy selection and synthesis along with other related topics.

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