QUESTION 13 points Save Answ Extracellular proteins like collagens, integrins, a

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QUESTION 13 points Save Answ Extracellular proteins like collagens, integrins, and laminins form large complexes stabilized by chemical modifications to specific amino acids on individual peptides, i.e. they are often cross linked to provide a larger more concrete structure. Based upon this, what sorts of modifications might be present on the EGF repeats of integrins and lamins? Pick ALL that apply A glycosilation (adstion of sugars) B hydroxylation (addition of hydroxyl groups) C. D disulfide bridges. E none of these are likely QUESTION 14 1 points Save Answ

Explanation / Answer

The correct answers are A, B, C, and D. The extracellular proteins are frequently stabilized by glycosilation of simple or complex sugars. EGF proteins also contain cystein residues which form disulphide bridges. Since EGF proteins are tertiary tertiary structures hydrophobic interactions are also involved in stabilization. It also contain sequence of beta hydroxylation.

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