Please explain your steps. Thank You! Two truths and a lie three statements belo

Question

Please explain your steps. Thank You!
Two truths and a lie three statements below. two. are true and one is a lie. Figure out which one is a lie, and provide a synopsis of your decision-making process. Collagen contains an abundance of hydrophobic residues to maintain it's structure. The structure of keratin can be dismantled with the use of beta-mercaptoethanol Both collagen and keratin are examples of all alpha-helical proteins. A protocol has been developed to separate proteins deca, hypo and apo from one Deca is a pentameric protein with a mass of 500 kDa Hypo and apo are monomeric proteins with masses of 100 kDa and 30 kDa respectively. A new lab technician started in the group and she was in charge of making buffers, and added SDS to the buffer used in the gel filtration column. Will this change your ability to separate these proteins? Briefly explain.

Explanation / Answer

10

I. true

. Collagen is a largely hydrophobic molecule (water repelling)

II. False

III. true

Thay both are alpha helical proteins

The alpha helix (-helix) is a common motif in the secondary structure of proteins and is a righthand-coiled or spiral conformation (helix) in which every backbone N-H group donates a hydrogen bond to the backbone C=O group of the amino acid located three or four residues earlier along the protein sequence

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