Cell biology Please reply all 9·The extracellular domain of a transmembrane doma

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Cell biology Please reply all 9·The extracellular domain of a transmembrane domain is oriented towards the nodification within an intracellular compartment. during its synthesis and A. Cytoplasm B. Lumen C. Nucleus D. Cytoskeleton 30. A definition of a protein domain would be A. Subunit of a multimeric protein complex B. The part of a protein that doesn't do anything C. A self-folding segment of a larger polypeptide chain that has an independent function D. The part of the protein that is cleaved off prior to activation. 31. Alpha helicies and beta sheets are generally stabilized by A. Disulfide bonds B. lonic interactions among amino acid side chains C. Hydrogen bonds among atoms of the polypeptide backbone D. Hydrophobic interactions E. None of the above. can restrict protein folding 2. The planar nature of the A. Amino acid side chain. B. Alpha carbon C. Peptide bond reacti hsired the joining of new amino acids is considered a

Explanation / Answer

Answer

29. B - Lumen
30. C - protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain.

31. C. Hydrogen bond among atoms of polypeptide backbone.

32. C. Peptide bond - planar nature of the peptide group

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